US STOCKS-Wall St falls on miners, UPS; indexes up for week
* Indexes break three-week streak of losses
* UPS shares tumble nearly 10 pct after outlook
* Materials sector drags after Goldman notes
* Credit Suisse cuts Exxon to 'underperform'
* Dow down 0.79 pct, S&P 500 off 0.55 pct, Nasdaq up 0.16 pct (Updates to close)
By Lucas Iberico Lozada
NEW YORK, Jan 23 (Reuters) - U.S. stocks fell modestly on Friday, pressured by underwhelming corporate news including guidance from economic activity bellwether UPS and as materials stocks fell after bearish notes.
Major indexes, however, rose for the first week in four, boosted in part by the European Central Bank's decision on Thursday to further stimulate euro zone growth.
Materials shares weighed on the S&P 500, falling 1.6 percent after Goldman Sachs cut its price target on various miners including a 42 percent downward revision to Freeport McMoRan stock to $18. Goldman separately slashed forecasts on commodity prices including aluminum, copper and nickel. Continuación...