Foreign institutional investors (FIIs) were net sellers of Rs 363.14 crore (provisional) on Friday, according to data released by BSE. While FIIs made gross purchases of Rs 3,503.69 crore, gross sales totalled Rs 3,866.83 crore.Domestic institutional investors (DIIs) were net buyers of Rs 239.72 crore on Friday. While DIIs made gross purchases of Rs 1,195.58 crore, gross sales totalled Rs 955.86 crore.FIIs were net buyers of Rs 788.40 crore on Thursday, November 15, according to data released by Sebi on Friday. While FIIs made gross purchases of Rs 4,464.30 crore, gross sales totalled Rs 3,675.90 crore.