The Foreign Institutional Investors (FIIs) were net sellers to the tune of Rs 240.07 crore in the futures & options segment on Thursday.According to data released by the NSE, FIIs were net sellers of index futures to the tune of Rs 544.02 crore and bought index options worth Rs 154.75 crore. They were net buyers of stock futures to the tune of Rs 153.02 crore and sold stock options worth Rs 3.82 crore.