Foreign institutional investors (FIIs) were net sellers of Rs 2,267.40 crore (provisional) on Thursday, according to data released by BSE. While FIIs made gross purchases of Rs 4,252.65 crore, gross sales totalled Rs 6,520.05 crore.Domestic institutional investors (DIIs) were net buyers of Rs 734.75 crore on Thursday. While DIIs made gross purchases of Rs 2,039.72 crore, gross sales totalled Rs 1,304.97 crore.FIIs were net sellers of Rs 2,279.60 crore on Wednesday, January 16, according to data released by Sebi on Thursday. While FIIs made gross purchases of Rs 4,662.30 crore, gross sales totalled Rs 6,941.90 crore.