Wall Street opens flat; manufacturing data anticipated

On Tuesday U.S. stocks opened flat, after the S&P 500 closed out its best month since February, in expectation of reports on the manufacturing sector.

- The Dow Jones industrial average fell 2.25 points or 0.01 percent, to 17,096.2,

- The S&P 500 gained 2.09 points or 0.1 percent, to 2,005.46

- The Nasdaq Composite added 12.10 points or 0.26 percent, to 4,592.38.