Foreign institutional investors (FIIs) were net buyers of Rs 463.44 crore (provisional) today, according to data released by BSE.While FIIs made gross purchases of Rs 2,163.94 crore, gross sales totalled Rs 1,700.50 crore.FIIs were net buyers of Rs 664.60 crore on Friday, February 2, according to data released by Sebi today. While FIIs made gross purchases of Rs 3,927.40 crore, gross sales totalled Rs 3,262.80 crore.Mutual funds (MFs) were net sellers of Rs 77.63 crore on Friday. MFs made purchases of Rs 637.20 crore and sales of Rs 714.83 crore.