Foreign institutional investors (FIIs) were net buyers of Rs 71 crore on Friday, October 06, according to data released by Sebi today.While FIIs made gross purchases of Rs 1420.90 crore, gross sales totalled Rs 1349.90 crore.Mutual funds (MFs) were net buyers of Rs 116.79 crore on Friday. MFs made purchases of Rs 552.77 crore and sales of Rs 435.98 crore.