Foreign institutional investors (FIIs) were net buyers of Rs 240.10 crore on August 3, Thursday according to data released by Sebi today.While FIIs made gross purchases of Rs 1466.60 crore, gross sales totalled Rs 1226.50 crore.Mutual funds (MFs) were net buyers of Rs 169.93 crore on Thursday. MFs made purchases of Rs 536.97 crore and sales of Rs 367.04 crore.