Foreign institutional investors (FIIs) were net buyers of Rs 583.02 crore (provisional) on Tuesday, according to data released by BSE.While FIIs made gross purchases of Rs 3,001.68 crore, gross sales totalled Rs 2,418.66 crore.FIIs were net buyers of Rs 889.30 crore on Monday, July 09, according to data released by Sebi on Tuesday. While FIIs made gross purchases of Rs 2,866.10 crore, gross sales totalled Rs 1,976.70 crore.Mutual funds (MFs) were net sellers of Rs 190.70 crore on Monday. MFs made purchases of Rs 499.80 crore and sales of Rs 690.40 crore.