US STOCKS-Wall St inches up with energy gain, Wal-Mart
* Wal-Mart gains after results
* Energy stocks gain as Brent crude tops $50/bbl
* Cisco drops on disappointing forecast
* Indexes up: Dow 0.1 pct, S&P 0.2 pct, Nasdaq 0.2 pct (Updates to close)
By Caroline Valetkevitch
NEW YORK, Aug 18 (Reuters) - U.S. stocks ended up slightly on Thursday as Brent oil's rise above $50 a barrel boosted energy shares and an upbeat outlook lifted Wal-Mart to a 14-month high.
Wal-Mart rose 1.9 percent to end at $74.30 after the retailer reported a better-than-expected quarterly profit and raised its fiscal-year outlook. The upbeat forecast followed disappointing outlooks from Target and Lowe's Companies the previous day.
The energy index jumped 1.8 percent after Brent crude topped $50 for the first time in six weeks as major producers prepared to discuss a possible output freeze.
Late-session gains pushed the indexes out of flat territory where they had traded for much of the session, with the S&P 500 index up just 0.1 percent for the week so far. Continuación...