Raspberry Pi shares rise sharply after the Cambridge-based company increases its profit guidance. Multiple outlets report that the firm’s updated outlook drives a surge in the stock price, with the company’s value more than tripling since the start of the year. The coverage focuses on the market reaction to the guidance change rather than on specific financial figures, and does not indicate a dispute over the update. Overall, the reporting is consistent that investors respond positively to the revised expectations for profitability, pushing the share price higher in the immediate aftermath. While details of the raised guidance are not included in the provided excerpts, the articles agree on the direction of the guidance revision and the scale of the rally compared with earlier performance in the year. The story centers on the guidance hike as the key catalyst for the share move and highlights the strong year-to-date gains for Raspberry Pi stock.