STOCK WATCH

CIRCASSIA shares surged after the firm upgraded its full-year forecasts.

The company, which makes devices to help with the diagnosis and treatment of asthma, said it performed well in the first four months of the year, with revenues in its clinical business up 17pc compared to the same period in 2021.

As a result, Circassia said yesterday that full-year earnings would be ‘materially ahead’ of expectations.

The shares jumped 9.6pc, or 3.2p, to 36.4p.