US STOCKS-Wall St ends down 5th session; oil prices fall further
* Services sector expands at slowest rate since Feb -Markit
* ISM services short of expectations
* Factory orders fall for fourth straight month
* Indexes off: Dow 0.74 pct, S&P 0.89 pct, Nasdaq 1.29 pct (Updates to close)
By Caroline Valetkevitch
NEW YORK, Jan 6 (Reuters) - U.S. stocks ended lower for a fifth session on Tuesday as data showed slower growth in the U.S. service sector and oil prices fell further.
The S&P 500's losing streak was its longest in about 13 months, but the index ended off the day's lows, having fallen as much as 1.4 percent earlier, at one point breaking below the 2,000 level for the first time since Dec. 17.
Data on Tuesday pointed to slowing growth in the fourth quarter. The pace of expansion in services moderated in December and new orders for manufactured goods fell for a fourth consecutive month in November.
The S&P 500 is down 4.2 percent for the last five sessions, with the Dow and S&P 500 suffering on Monday their biggest drops since early October. Continuación...