The Foreign Institutional Investors (FIIs) were net sellers to the tune of Rs 332.75 crore in the futures & option segment on Wednesday.According to data released by the NSE, FIIs were net buyers of index futures to the tune of Rs 44.74 crore and bought index options worth Rs 100.64 crore. They were net sellers of stock futures to the tune of Rs 475.24 crore and sold stock options worth Rs 2.89 crore.As per data available on the Sebi website - FIIs were net buyers of stocks worth Rs 450.80 crore in the cash market on Monday. Mutual funds were net buyers of shares worth Rs 977.40 crore on the same day.