US STOCKS-Wall St falls as factory data hits materials, industrials
* China factory activity at 6-1/2-yr low in September
* U.S. factory activity stays at 2-yr low in September
* Materials and industrial sectors lag
* Indexes down: Dow 0.4 pct, S&P 0.2 pct, Nasdaq 0.3 pct (Updates to early afternoon)
By Tanya Agrawal
Sept 23 (Reuters) - Wall Street was lower in volatile trading on Wednesday as weak Chinese and U.S. factory data hit material and industrial stocks.
Data showed U.S. manufacturing growth stayed at a two-year low in September, while Chinese factory activity shrank to a 6-1/2 year low in the month.
The S&P materials index was down 1.4 percent, dragged down by a 2.3 percent fall in Monsanto and a 1.2 percent fall in Dow Chemicals.
The industrial sector was lower by 0.8 percent, with United Technologies and Honeywell falling about 2 percent. Continuación...