Foreign institutional investors (FIIs) were net sellers of Rs 625.34 crore (provisional) on Thursday, according to data released by BSE. While FIIs made gross purchases of Rs 6,922.59 crore, gross sales totalled Rs 7,547.93 crore.Domestic institutional investors (DIIs) were net buyers of Rs 788.37 crore on Thursday. While DIIs made gross purchases of Rs 2,372.68 crore, gross sales totalled Rs 1,584.31 crore.FIIs were net buyers of Rs 1,861 crore on Wednesday, October 24, according to data released by Sebi on Thursday. While FIIs made gross purchases of Rs 6,358.50 crore, gross sales totalled Rs 4,497.40 crore.Mutual funds (MFs) were net buyers of Rs 339.30 crore on Wednesday. MFs made purchases of Rs 1,039.20 crore and sales of Rs 699.90 crore.