Seven stocks, including Indiabulls Housing Finance, India Cements, and L&T Finance Holdings, are under a futures and options (F&O) ban for trading on 21 June. The ban occurs when open interest on futures or options contracts exceeds 95% of total positions limits and only ends once that figure falls below 80%. The banned stocks will still be available for trading in the cash market, however. The Nifty50 advanced 0.33% to $18,816.70 and Nifty Bank rose 0.30% to $43,766.50.