Shares of Merus NV (MRUS) experienced a significant surge during Thursday's trading session, climbing 5.17% as positive analyst sentiment buoyed investor confidence. The healthcare company's stock movement came in the wake of a key analyst maintaining an optimistic stance on the company's prospects.

Wells Fargo, a prominent financial services firm, reaffirmed its Overweight rating on Merus NV. This vote of confidence from a major Wall Street player appears to have sparked renewed interest in the stock, driving its impressive intraday gains. An Overweight rating typically indicates that an analyst believes the stock will outperform its sector or the broader market.

The healthcare sector has been under close scrutiny by analysts, with Merus NV standing out among its peers. While specific details of Wells Fargo's analysis were not immediately available, the maintained Overweight rating suggests the firm sees potential upside in Merus NV's business model or pipeline. Investors seem to have responded positively to this assessment, as reflected in the stock's robust performance during the trading session.