US STOCKS-Wall St dip led by utilities, factory activity slows
* Indexes fall after early rally
* Sept factory activity down in US, China
* Oil prices fall 0.78 pct, reversing energy rally
* Dunkin falls after weak full-year forecast
* Indexes down: Dow 0.52 pct, S&P 0.29 pct, Nasdaq 0.53 pct (Updates to late afternoon, adds commentary, changes byline)
By Sinead Carew
Oct 1 (Reuters) - Wall Street started the last quarter of the year in the red in a choppy trading session as investors fled utilities and telecoms while they parsed mixed U.S. data.
After starting the day with a brief rally, stocks fell throughout the morning, then pared losses on Thursday afternoon. But the three major U.S. indexes were still in negative territory later in the session.
Oil prices settled down on Thursday after altered forecasts for the path of hurricane Joaquin snuffed out an early rally. Fears the storm could damage U.S. East Coast oil installations lifted energy stocks, but they were well off their highs. Continuación...