SPX's volume today 3-15-10 was a below average 3.607 billion shares

SPX's (S & P 500, http://bit.ly/i0nsT) volume today 3-15-10 was a bearish (big $ didn't chase the rebound since early in the session) below average 3.607 billion shares vs the 60 day EMA at 3.871 billion shares, see http://bit.ly/i0nsT.