S&P 500 drops to fourth test of the 2010 lows
June 29, 2010 at 13:02 PM EDT
With this week's downdraft, the Standard & Poor's 500 Index has dropped within view of major support at the 1,040 mark. The current approach marks its fourth test of this significant floor, and a break lower leaves the U.S. markets vulnerable to potentially meaningful downside.