Britain's FTSE 100 index on Friday briefly surpassed the symbolic 10,000 points marker for the first time, extending gains after a bumper 2025.

The FTSE 100 index — home to the U.K.'s most valuable blue-chip companies — ended the first trading day of the year 0.2% higher at 9,951, kicking off the year in positive territory. The index surpassed the 10,000 threshold at around 8:30 a.m. London time, before paring gains.

Analysts told CNBC late last year that while the speed of the FTSE 100′s rise to the 10,000-point level was notable, investors should remain wary.

The pan-European Stoxx 600 index, meanwhile, provisionally closed about 0.6% higher, with most sectors and major bourses in the green. The moves come as investors returned from the New Year's Day holiday on Thursday and after stellar annual gains.

The Stoxx 600 index rose 16.7% during 2025, notching its third consecutive year of gains, as it was led higher by banking stocks and a surge in regional defense spending.

Looking at individual stocks, shares of Danish energy group Orsted ended the trading session 4.6% higher after the world's largest developer of offshore wind farms said it had challenged the U.S. government's suspension of the lease for its Revolution Wind joint venture and would seek a court injunction.

Source  : CNBC