Wall Street edges down as the week opens up

US stock indices declined as the week opened up ahead of the important Federal Reserve's policy decisions.

The Fed is convening tomorrow to decide on policies to control runaway inflation, which carries on till Wednesday.

Analysts now expect the Fed to increase rates by 75 basis points at the September meeting. 

Dow Jones steadied at 30,835 as of 14:17 GMT, while S&P 500 declined 0.1%, or 3 points to 3,870, as NASDAQ slipped 0.1%, or 15 points to 11,433.