U.S. stocks tripped up Tuesday by Europe pessimism

NEW YORK (MarketWatch)
U.S. stock indexes fell Tuesday, trimming a second month of gains, as investors worried central banks would not come through with enough stimulus to stem worries about the global economy "There's a lot more coming down the pipe here: the Federal Reserve policy meeting, then the European Central Bank, and job numbers at the end of the week," said Scott Brown, chief economist at Raymond James & Associates
Tallying its ninth monthly rise out of 10, the Dow Jones Industrial Average lost 64.33 points, or 0.5%, to 13,008.68, up 1% from the end of June
The S&P 500 index retreated 5.98 points, or 0.4%, to 1,379.32, up 1.3% for July
The Nasdaq Composite  dropped 6.32 points, or 0.2%, to 2,939.52, up 0.2% for the month