Raspberry Pi shares have seen volatile trading as hobbyist investors pile into the microcomputer maker touted for AI applications. Daily trading volumes soared this year, with the stock moving 10 percent in a day six times—already matching 2025's entire frequency. Revenue and adjusted Ebitda each rose by a quarter last year, driven by business customers using Pi devices for monitoring systems and digital signs. Hedge funds including Marshall Wace and Walleye Capital have increased or opened short positions.

Princes Group swung from a £6mn loss in 2024 to a £55mn pre-tax profit last year following a business restructuring. Consolidated revenue jumped 46 percent to £1.9bn, though like-for-like sales dipped 6.5 percent. The company transformed from £417mn in net debt to a £331mn net cash position through float proceeds and capitalization of old shareholder loans. Despite the impressive turnaround, shares sit about 18 percent below the 475p listing price.

AG Barr grew sales and profits through pricing strategies and cost management, with revenue up 4 percent year on year. The Scottish drinks group continues diversifying its portfolio after selling Strathmore water business and acquiring brands including Innate-Essence and Frobishers. Its core Irn-Bru brand now represents 32 percent of total sales, down from 43 percent five years ago. With a price-to-book ratio of 2.3 times, AG Barr remains below the soft drinks sector average.