Indian stock markets ended a six-day winning streak on June 12, with Sensex falling 1% to 81,691 and Nifty 50 closing at 24,888. Realty, Auto, and Metal sectors saw significant drops. Paytm's shares plummeted over 8% on unconfirmed rumours, swiftly denied by the Finance Ministry. Aviation stocks also faced pressure following an Air India plane crash.