US STOCKS-Wall St set to open lower as China, Wal-Mart weigh

martes 18 de agosto de 2015 09:00 GYT

* Wal-Mart falls after cutting full-year forecast

* Chinese stock slumps, yuan devaluations fears resurface

* Oil prices, copper near six-year lows

* July housing starts beat expectations; at nearly 8-year high

* Home Depot, TJX rise after results

* Futures down: Dow 56 pts, S&P 5 pts, Nasdaq 13 pts (Adds details, comment, updates prices)

By Tanya Agrawal

Aug 18 (Reuters) - Wall Street was set to open lower on Tuesday, weighed down by a 6 percent slump in Chinese shares and disappointing results from Wal-Mart.

Wal-Mart shares fell 2.6 percent to $70.05 in premarket trading after the Dow component reported weaker-than-expected quarterly earnings and lowered its full-year forecast. The stock was the biggest loser on the Dow Jones industrial average.   Continuación...