Mumbai, Dec. 18 -- Domestic stock markets opened on a cautious note on Thursday, tracking sharp overnight losses in the US markets, as investors booked profits in high-valuation technology and artificial intelligence (AI) stocks.

Weak global cues weighed on investor sentiment, leading to early selling pressure across most sectors.

The Nifty 50 index opened at 25,772.70, down by 45.85 points or 0.18 per cent, while the BSE Sensex started the day at 84,518.33, slipping 41.32 points or 0.05 per cent.

Market participants remained cautious as global indices witnessed renewed selling pressure following the recent correction in US markets.

Experts said that the sell-off in US equities has now started impacting global markets, including India...