US STOCKS-Wall St dips weighed by UPS, miners; Starbucks shines
* Indexes on track to break three-week streak of losses
* UPS shares fall after outlook, FedEx also lower
* Materials sector falls, Goldman note weighs
* Dow down 0.2 pct, S&P 500 off 0.1 pct, Nasdaq up 0.4 pct (Updates to early afternoon)
By Lucas Iberico Lozada
NEW YORK, Jan 23 (Reuters) - U.S. stocks fell modestly on Friday, pressured by some disappointing results from major multinational companies, which offset optimism triggered by the European Central Bank's recent decision to buy bonds and boost euro zone growth.
Materials shares weighed on the S&P 500, with bearish notes from Goldman Sachs dragging the sector lower. Goldman cut its price target on Freeport McMoRan by 42 percent to $18 and cut prices on other miners, while it slashed price forecasts on commodity prices including aluminum, copper and nickel.
Freeport shares fell 3.2 percent and the materials sector lost 1 percent.
UPS was the largest drag on the S&P 500 after its guidance disappointed while Starbucks and E*Trade Financial jumped on the back of strong results. Continuación...