1.    Concern is the tone ahead of a deluge of data(Chicago PMI and Consumer Confidence today, ISM tomorrow, NFP on Friday)

2.    In Japan overnight, the Nikkei Stock Average dropped 3.6% to end at its lowest level since April 2009, with shares of exporters falling sharply as the yen continued to gain against the dollar.

3.    SKS rallied 9.9% to $7.25 in U.S. premarket trade. Citing rumors from unidentified sources, the Daily Mail newspaper reported that a private-equity consortium is preparing a cash bid of $1.7 billion, or $11 a share.

4.    Carrefour(CA FP), the world’s second largest retailer, returned to profit in the first half of 2010 on cost cuts and maintained full year goals.  Shares are trading down 0.5%.

5.    For-Profit Education in focus as Sen. Richard Durbin plans to host a forum in Chicago today examining whether some for- profit colleges “are exploiting rather than educating Illinois students” and if federal oversight is needed. some CEOs of for-profit schools are expected to attend.