European stocks edged higher on Tuesday, boosted by a fresh run of gains for technology stocks, while investors awaited economic data that is expected to show a slight improvement in euro zone business activity.
The pan-European STOXX 600 index (.STOXX) rose 0.1% after a strong finish on Wall Street, lifted by tech stocks that were battered last year in the wake of surging interest rates.
S&P Global's flash reading, due at 0900 GMT, is expected to show the euro zone flash composite PMI edged up to 49.8 in January, a small improvement from 49.3 in December, as energy prices dropped and inflation moderated.
Among stocks, Rheinmetall (RHMG.DE) added 1.2% after the German defence group's chief executive forecast sales would grow to 11-12 billion euros ($12-$13 billion) in 2025, according to German magazine Stern.
Swatch Group (UHR.S) edged up 0.8% after the Swiss watchmaker said it was positive about a recovery in the China market and also reported a 2.5% increase in 2022 sales.
Shares of Norwegian salmon farmers SalMar (SALM.OL) and Mowi (MOWI.OL) jumped 4.7% and 9.1%, respectively, to top the STOXX 600.
