The following Sentiment charts for S&P 500 (NYSE:SPY), DOW Jones, and NASDAQ (NASDAQ:QQJ) are available. The week started off well, with investors buying up stocks after Federal Reserve Chairman Ben Bernanke's prepared statements before his meeting with Congress. "A premature tightening of monetary policy could lead to a temporary increase in interest rates, but it would also bring about broader inflation," Bernacke warned.