If you’ve been tracking what UK brokers are buying and selling lately, the patterns are hard to ignore. Lloyds Banking Group moved over 122 million shares in April 2026 alone, while Synthomer surged 106% in March — the kind of number that catches every investor’s eye. Below, you’ll find the stocks pulling the most trading activity, the UK names climbing fastest, and what US experts are watching right now.

4 related posts

Top Trending US Stock: Rolls-Royce Holdings plc (RR.L) · Most Dealt UK Share: Barclays plc (5.82%) · FTSE Top Volume: Barclays plc (442.77) · Lyn Alden Top Pick: Enterprise Products Partners (EPD) · Magnificent 7 Source: Fidelity Investments

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact client buy volumes from AJ Bell not publicly detailed
  • Limited cross-verification of performance across broker platforms
  • No full Q1 2026 comprehensive performance data available
3Timeline signal
  • Rocket Companies market share: 3.8% in 2024 → 5.5% in 2025 (MoneyWeek)
  • Synthomer topped UK shares in March 2026 (MoneyWeek)
  • Zacks published best stocks list in April 2026 (MoneyWeek)
4What’s next
  • Broker volume data updates monthly on Hargreaves Lansdown
  • UK top performer lists refresh each month via Interactive Investor
  • US Zacks picks shift based on quarterly earnings cycles
Label Value
FTSE/JSE Top 40 South African index tracking 40 largest stocks
Most Dealt Share Barclays plc 5.82%
FTSE Top Volume Barclays 442.77
Lyn Alden #1 Pick Enterprise Products Partners (EPD)
Top UK Performer Synthomer 106% March gain
Top US Pick Rocket Companies 5.5% market share
UK Penny Leader MobilityOne 478.9% 13-week change
FTSE Volume Leader Lloyds 122.9M shares

What are the top stocks to buy now?

Trending US stocks

US markets show a different picture from UK trading floors. Rolls-Royce Holdings (RR.L) sits among top-trending US stocks despite being a London-listed name, a sign that American investors are paying closer attention to UK industrials. MoneyWeek, citing Barron’s, flagged Canadian Pacific Kansas City (TSE: CP) as a top buy, pointing to merger synergies and improving rail traffic as tailwinds.

On the Zacks side, energy and materials names dominate. Repsol (REPYY) posted a 26.26% 12-week change in April 2026 with a forward PE of just 5.19, while SM Energy (SM) surged 39.03% over the same span with a forward PE of 3.72 — the kind of valuation that attracts value-oriented investors.

UK broker top buys

AJ Bell tracks what its clients are trading most actively, offering a window into retail investor sentiment across UK markets. According to their research, shares that clients are buying most frequently tend to cluster around FTSE 100 heavyweights with strong brand recognition.

On the high-volume end, Lloyds Banking Group led FTSE 100 trading at 122,943,309 shares in April 2026, followed by Vodafone at 99,155,863 and BP at 70,376,762. These aren’t necessarily the fastest climbers — BP actually posted a -7.36% daily decline during that period — but volume signals where money is flowing.

Why this matters

High trading volumes don’t guarantee returns, but they do signal institutional and retail confidence. When Barclays and Lloyds consistently top volume lists, it reflects investor familiarity and ease of trading — factors that matter for anyone building a position over time.

Which top 10 shares to buy?

Current top buys

MoneyWeek’s share tips offer a curated view of what analysts are watching right now. Their current picks include Canadian Pacific Kansas City, Rocket Companies, Venture Life Group, and Anpario — a mix that spans rail, fintech, health products, and specialty feeds.

Rocket Companies stands out most clearly: the US mortgage firm now handles 5.5% of all American home-purchase loans, up from 3.8% in 2024, according to Barron’s data via MoneyWeek. That kind of market share gain in a competitive lending space suggests the company is taking business from larger rivals even as interest rates remain elevated.

Long-term top 10

For investors thinking in years rather than weeks, the FTSE 100 volume leaders offer a different lens. Lloyds, Vodafone, BP, Rolls-Royce, and Barclays form the backbone of UK trading activity — established names with deep liquidity that make them easier to buy and sell without moving prices significantly.

Lyn Alden’s top picks, according to Fidelity’s coverage, include Enterprise Products Partners (EPD), Brookfield (BN), and MicroStrategy (MSTR) — a cross-border mix of infrastructure, asset management, and crypto-adjacent tech. These aren’t FTSE names, but they represent the kind of long-term holds that UK investors increasingly build into diversified portfolios.

The trade-off

Broker volume data reflects past activity, not future performance. Barclays topped 442.77 in trading activity while BP posted a negative day change — volume leaders can underperform even as trading stays brisk.

What are top 40 shares?

FTSE/JSE Top 40 Index

Two major indices carry the “Top 40” label. The FTSE 100 tracks the 100 largest companies listed on the London Stock Exchange by market capitalisation. The JSE Top 40 does the same for South Africa’s Johannesburg Stock Exchange. Both indices serve as barometers for their respective markets and are commonly used as benchmarks for UK and South African pension funds.

UK investors looking for exposure to the Top 40 can access FTSE 100 tracker funds through most brokerage platforms. The index includes banking heavyweights (HSBC, Barclays, Lloyds), energy names (Shell, BP), mining giants (Glencore, Anglo American), and consumer brands (Unilever, Diageo). The composition shifts as companies grow or shrink across quarterly reviews.

The JSE Top 40 operates differently, with greater weight on mining and resources companies reflecting South Africa’s commodity-rich economy. UK investors interested in emerging market exposure sometimes use the JSE Top 40 as a way to access African growth without direct currency complications.

Bottom line: The FTSE 100 and JSE Top 40 serve different regional purposes. UK investors building long-term portfolios typically start with FTSE 100 exposure through low-cost tracker funds before considering international alternatives.

What are the 7 best stocks to invest in?

Magnificent 7 stocks

The “Magnificent 7” refers to a group of US mega-cap technology companies that have driven much of the S&P 500’s performance in recent years. Fidelity Investments tracks this group as a distinct category: Apple, Microsoft, Nvidia, Amazon, Alphabet, Meta, and Tesla. Together, these seven companies represent a significant portion of US market capitalisation.

For UK investors, accessing the Magnificent 7 is straightforward through US-listed ADRs (American Depositary Receipts) on most brokerage platforms. The challenge isn’t access — it’s timing. These stocks have delivered outsized returns over the past decade, but valuations remain elevated, and any correction hits them hard given their index weight.

Lyn Alden 7 top stocks

Investment analyst Lyn Alden takes a different approach, selecting stocks based on fundamentals rather than market cap dominance. Her top picks reportedly include Enterprise Products Partners (EPD), Brookfield (BN), MicroStrategy (MSTR), and HDFC Bank (HDB) — infrastructure, asset management, tech-adjacent, and emerging market banking respectively.

What distinguishes Alden’s picks from the Magnificent 7 is the value orientation. Enterprise Products Partners operates pipelines — steady, cash-generative infrastructure with less volatility than tech. Brookfield manages alternative assets across real estate, infrastructure, and private equity. These aren’t exciting narratives, but they generate consistent returns for patient investors.

The upshot

The Magnificent 7 offer growth at scale; Alden’s picks offer stability with income. UK investors should consider which risk profile matches their timeline — growth portfolios tolerate volatility, while income-focused investors need the steady cash flows that pipeline operators and asset managers provide.

Which stock grows very fast?

Fastest growing stocks

Speed of growth varies wildly between market segments. UK penny stocks have generated the most dramatic short-term moves. MobilityOne (MBO.L) posted a 478.9% 13-week change as of April 2026, trading at 5.50p per share. Hardide PLC (HDD.L) followed with a 242.9% gain at 24.00p.

These numbers are eye-catching, but penny stocks operate on thin volumes and thin spreads. A 478.9% gain on a £5 million market cap company means the underlying business may have changed very little — the price moved because of speculation, regulatory news, or simply low liquidity amplifying buyer interest.

Stocks doubling every 3 years

On the US side, Zacks tracks stocks demonstrating consistent growth trajectories. SM Energy posted 39.03% growth over 12 weeks in April 2026 with a forward PE of 3.72 — suggesting the market prices in modest future earnings. Riley Exploration Permian (REPX) showed 23.19% growth with a forward PE of 4.89.

For a stock to double every three years, it needs roughly 26% annual growth — a rate that most established companies cannot sustain. Energy producers can achieve this during commodity price upswings, as can early-stage tech companies winning large contracts. The question for investors is whether the growth rate is structural or cyclical.

What to watch

Fast-growing penny stocks and growth-oriented energy picks share one characteristic: they require timing. The investor who bought SM Energy before the April 2026 surge is positioned differently from one buying today at elevated valuations. Check forward PE ratios before chasing percentage gains.

Upsides

  • UK top performers like Synthomer (106%) show genuine price discovery in action
  • Broker volume data offers transparent insight into where retail money is flowing
  • Energy and materials stocks trade at attractive forward PE ratios (3.72 to 8.67)
  • Penny stocks like MobilityOne demonstrate speculative upside potential
  • Established FTSE 100 names provide liquidity for larger position sizes
  • Rocket Companies gaining market share against larger mortgage competitors

Downsides

  • Penny stock gains are often thin-volume phenomena, not fundamental improvements
  • Volume leaders like BP can post negative daily returns despite high trading activity
  • Magnificent 7 valuations remain elevated after years of outperformance
  • Limited AJ Bell client volume data makes retail sentiment harder to track precisely
  • Fast-growing stocks require precise timing — buying after a 39% surge is different from buying before
  • Cross-verification across broker platforms remains limited in current data

After years of disappointment, Canadian Pacific Kansas City’s shares are poised to rise. Synergies from mergers, a rebound in rail traffic, and a healthier industrial economy all bode well.

— MoneyWeek, citing Barron’s

According to Barron’s reporting via MoneyWeek, the US mortgage firm has gained market share despite a backdrop of high interest rates and economic uncertainty — taking business from larger rivals in a competitive lending space.

Broker trading volumes and expert long-term picks reveal two distinct investor profiles. The first group follows momentum — they buy what volume data shows is already popular, whether that’s Lloyds, Barclays, or BP. The second group looks for value where market sentiment hasn’t yet caught up, whether that’s Canadian Pacific Kansas City rail stocks or US energy producers trading at forward PEs below 5.

Both approaches have merit. Volume leaders offer liquidity and familiarity; value picks offer upside potential if the thesis plays out. UK investors building a portfolio today face a clear choice: anchor positions in FTSE 100 names with proven trading history, or add satellite positions in fast-moving stocks where the risk-reward ratio is higher but the downside is equally dramatic.

For UK retail investors, the path forward is practical: start with the names that broker data shows are already working, build positions gradually, and watch for when fast-growing penny stocks or US picks signal a shift in sentiment. The stocks that top today’s lists won’t be the same ones topping next quarter’s — but the process of watching where money flows remains the same.

Related reading: PLS ASX Share Price · Morris And Watson Gold Price NZ

Additional sources

ig.com, zacks.com, uk.investing.com

Beyond Magnificent 7 hype and FTSE risers like Rolls-Royce, trending expert stock picks uncover noisier UK surges such as Wizz Air drawing broker attention.

Don't miss these

Frequently asked questions

Are top shares to buy today good for long term?

Not necessarily. Volume leaders like Lloyds and Barclays are good for liquidity and familiarity, but they may not deliver the fastest growth. Long-term investors should balance FTSE 100 anchors with growth-oriented picks like Enterprise Products Partners or Brookfield, which Lyn Alden flags as strongholds for patient capital.

What makes a stock trending?

Stocks trend when volume increases, price momentum builds, and media coverage follows. UK stocks trend on broker data (AJ Bell), news catalysts (Synthomer’s 106% March gain), or sector-wide moves. US stocks trend on earnings beats, market share gains (Rocket Companies at 5.5%), or analyst upgrades.

How do broker top buys work?

Platforms like AJ Bell publish what their clients are buying and selling most frequently. High buy volumes signal retail confidence in a stock. This data is aggregated and anonymised, so investors can see sentiment without knowing individual positions. Hargreaves Lansdown publishes volume data separately for FTSE 100 constituents.

Is FTSE Top 40 best for beginners?

The FTSE 100 is a better starting point for UK beginners — it tracks 100 large, established companies with deep liquidity. The JSE Top 40 is South African and carries currency risk for UK investors. Both indices offer low-cost tracker fund access, but FTSE 100 funds are more readily available through UK platforms.

What are risks of fast-growing stocks?

Fast-growing penny stocks like MobilityOne (478.9% 13-week gain) operate on low liquidity — large orders move prices significantly. Growth energy stocks like SM Energy (39.03% 12-week) trade at low forward PEs because markets price in commodity volatility. The risk is buying after the surge, not before it, and holding through a correction.

Should I buy Magnificent 7 now?

The Magnificent 7 (Apple, Microsoft, Nvidia, Amazon, Alphabet, Meta, Tesla) have driven US market returns but trade at elevated valuations. For UK investors, adding limited positions as part of a diversified portfolio makes sense, but concentrating heavily in this group carries concentration risk if sentiment shifts.

Can small investments like $5000 grow big?

Small investments can grow substantially over time, but the math requires either high growth rates or long time horizons. A $5,000 position in a stock doubling every three years reaches $40,000 in a decade — realistic only if the company sustains growth. Rocket Companies’ market share gains (3.8% to 5.5%) illustrate how competitive dynamics can drive incremental growth, but most individual stocks don’t sustain 26% annual rates.