Stock market today, Jan. 30 -- Domestic stock markets commenced trading on Friday with significant selling pressure due to increased volatility in global markets, primarily caused by dramatic fluctuations in gold and silver prices.

Investor sentiment remained weak as markets responded to the sharp drop and abrupt recovery in precious metals, alongside a general uncertainty in global asset classes.

The Nifty 50 index started at 25,247.55, down 171.35 points or 0.67%, while the Sensex opened the session at 81,950.05, falling by 616.32 points or 0.75%.

In stock-specific moves,Vedanta shares dropped nearly 5% at the market open, and Hindustan Zinc also experienced a 5% decline, indicating the impact of significant fluctuations in global co...