The foreign institutional investors (FIIs) were net sellers to the tune of Rs 332.43 crore in the futures & option segment on Monday.According to data released on the NSE website, FIIs were net sellers of index futures to the tune of Rs 154.58 crore and they sold index options worth Rs 139.08 crore. They were net sellers of stock futures to the tune of Rs 46.38 crore while they bought stock options worth Rs 7.62 crore.As per data available on the Sebi website - FIIs were net sellers of stocks worth Rs 39 crore in the spot market on Wednesday. Domestic mutual funds (MFs) were net sellers of shares worth Rs 38.75 crore on the same day.