Stock market today: BSE Sensex plunges 500 points; Nifty50 below 22,000 as bears growl again

Stock market today: Indian stock markets, BSE Sensex and Nifty50, traded in the negative territory on Friday, following the trend of global markets amid concerns about future interest rate changes in the US. Small- and mid-cap stocks, which are more focused on the domestic market, showed slight gains early in the trading session, with a 0.8% and 0.45% increase, respectively.