- Tristel has more than tripled its H1 pretax profit to £1.7m, from a profit of £0.46m. Revenue was £9.7m, from £8.0m.

"We are pleased to report strong half-on-half revenue growth which has been above our targeted range of 10-15%," said CEO Paul Swinney in a statement.

He added that Tristel had delivered the targeted pretax profit margin of 17.5%, even after costs of £0.2m incurred during the half in pursuit of its North American business plan.

"We are progressing satisfactorily with our planned entry into the North American hospital market," said Swinney.

At 9:29am: [LON:TSTL] Tristel PLC share price was +15p at 165p

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