Seven stocks, including Indiabulls Housing Finance Company, Indian Energy Exchange, India Cements, Bharat Heavy Electricals, Manappuram Finance, Delta Corp and Zee Entertainment Enterprises, will be under F&O ban for trading on Thursday, June 15. The ban on any stock’s F&O contracts enter into effect when the open interest (OI) on it crosses 95% of the market-wide positions limits or MWPL. The ban is reversed only if the OI falls below 80%. The banned stocks will be available for trading in the cash market. Meanwhile, Indian indices Sensex and Nifty50 registered their third successive gains.