US STOCKS-Wall St dips as oil retreats, Wal-Mart weighs
* Wal-Mart falls after cutting forecast
* IBM up on Morgan Stanley upgrade
* Oil pull back after U.S. stockpiles rise
* Indexes down: Dow 0.05 pct, S&P 0.15 pct, Nasdaq 0.4 pct (Updates to early afternoon)
By Abhiram Nandakumar
Feb 18 (Reuters) - Wall Street was lower on Thursday, snapping a three-day rally, after a slump in Wal-Mart weighed on retail stocks and oil prices retreated.
Seven of the 10 major S&P sectors were lower, led by a 0.7 percent drop in the financial sector, which led the recent rally.
Crude oil prices, whose performance have often dictated stock movements, dropped from session highs after a report showed U.S. crude stocks rose last week.
Wal-Mart slumped 4 percent to $63.46 after the retailer reported a lower quarterly profit and gave a lackluster sales outlook. The stock was the biggest drag on the Dow. Continuación...