US STOCKS SNAPSHOT-Wall St kicks off week on mixed note as rate worries persist

Wall Street opened mixed on Monday, pressured by investor fears the Federal Reserve's aggressive monetary tightening will hurt the U.S. economy and a decline in Pfizer after its decision to drop the development of a weight loss drug.

The Dow Jones Industrial Average rose 3.36 points, or 0.01%, at the open to 33,730.79. The S&P 500 opened lower by 3.49 points, or 0.08%, at 4,344.84, while the Nasdaq Composite dropped 23.77 points, or 0.18%, to 13,468.75 at the opening bell.