Dow ends down 102 points, as S&P losing streak hits four; Nasdaq's worst day since June

NEW YORK (MarketWatch)
U.S. stocks tumbled Tuesday as investors fretted the limits of the Federal Reserve's monetary policy
One analyst said the market was largely looking to relieve its overbought state
"Folks were looking for the market to correct in September," said Bruce Bittles, chief investment strategist at R.W. Baird & Co
The Dow Jones Industrial Average fell 101.37 points, or 0.8%, to 13,457.55
Extending its losses into a fourth session, the S&P 500 index  declined 15.30 points, or 1.1%, to 1,441.59, finishing at a two-week low
Taking its worst pounding since June 25, the Nasdaq Composite lost 43.05 points, or 1.4%, to 3,117.73