Thomson ReutersJanuary 8, 2013 18:15
* AT&T drags on S&P after announcing phone sales
* Monsanto stock jumps on strong earnings, raised outlook
* Sears falls more than 6 pct as Lampert takes helm
* Indexes down: Dow 0.4 pct, S&P 500 0.3 pct, Nasdaq 0.2 pct
By Gabriel Debenedetti
NEW YORK, Jan 8 (Reuters) - U.S. stocks fell on Tuesday, retreating from last week's rally on the "fiscal cliff" deal in Washington, as companies started to report results for the fourth quarter.