US STOCKS-Wall St boosted by rise in oil, Wal-Mart
* Wal-Mart hits near 15-month high on strong results
* Brent crude tops $50/bbl, boosting energy stocks
* Weekly jobless claims fall more than expected
* Indexes up: Dow 0.11 pct, S&P 0.15 pct, Nasdaq 0.21 pct (Adds details, changes comment, updates prices)
By Tanya Agrawal
Aug 18 (Reuters) - Wall Street was slightly higher in late morning trading on Thursday, boosted by a jump in Wal-Mart shares and higher oil prices.
Wal-Mart rose as much as 3.1 percent to a more than 14-month high of $75.19 after the retailer's better-than-expected quarterly profit. The stock provided the biggest boost to the S&P 500.
Oil stocks rose as Brent crude went above $50 per barrel for the first time in six weeks after major producers prepared to discuss a possible freeze in output. U.S. crude was trading near $47.
Investors also weighed up minutes of the Federal Reserve's July meeting, released on Wednesday, that showed policymakers were divided over whether to raise interest rates in the near-term. Continuación...