5 Fastest Growing European Stocks to Invest In

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1. Marex Group plc (NASDAQ:MRX)

On March 27, 2026, TD Cowen raised the price target on Marex Group plc (NASDAQ:MRX) to $66 from $61 and maintained a Buy rating, saying updates from the company’s investor day could help support a higher valuation multiple, which the firm views as depressed.

Also on March 27, 2026, Barclays raised its price target on Marex Group plc (NASDAQ:MRX) to $55 from $50 and maintained an Overweight rating following the investor day. The firm said management struck a “confident tone” on the outlook, pointing to multiple growth drivers and potential margin upside from AI-related initiatives, while noting preliminary Q1 expectations appear ahead of Street estimates.

On March 26, 2026, Marex Group plc (NASDAQ:MRX) guided Q1 revenue to $667M-$697M versus the $588.75M consensus and sees adjusted profit before tax of $140M-$150M. The company said it expects record profitability, driven by elevated market volatility and continued growth in client balances, which averaged around $16 billion during the quarter.

Marex Group plc (NASDAQ:MRX) provides liquidity and market infrastructure services across commodity and financial markets.

While we acknowledge the potential of MRX to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than MRX and that has 100x upside potential, check out our report about the cheapest AI stock.

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