US STOCKS-Wall St little changed; Wal-Mart up after results
* Weekly jobless claims fall more than expected
* Wal-Mart opens at 14-month high
* Twitter falls after brokerage downgrades to "sell"
* Indexes down: Dow 0.05 pct, S&P 0.02 pct, Nasdaq 0.06 pct (Updates to open)
By Tanya Agrawal
Aug 18 (Reuters) - Wall Street was little changed in early trading on Thursday as the impact of a rise in oil prices and strong results at Wal-Mart was offset by weakness in consumer discretionary and financial stocks.
Dow component Wal-Mart rose as much as 3.1 percent to $75.19 - a more than 14-month high - after the retailer posted a better-than-expected quarterly profit. The stock provided the biggest boost to the Dow and the S&P 500.
Oil stocks rose as Brent crude touched $50 a 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 that showed policymakers were divided over whether to raise interest rates in the near-term. Continuación...