Investors added $6.26 billion into equity mutual funds during the three business days ended Mar. 8, estimates

TrimTabs.com

, a firm that tracks fund inflows and outflows.

For the most recent period, U.S. equity funds saw inflows of $4.14 billion. International funds, meanwhile, saw inflows of $2.12 billion, estimates TrimTabs.

For the three days ended Mar. 8, the

Nasdaq Composite Index

gained 1.2%, the

S&P 500

rose 1.9% and the

Dow

rose 2.8%.