US STOCKS-Wall St set to open lower ahead of big tech earnings

martes 21 de julio de 2015 09:00 GYT

* Dollar trading at a three-month high

* IBM down after revenue falls for 13th straight quarter

* Tesla down after UBS downgrades to "sell"

* Apple, Microsoft, Yahoo to report results after the bell

* Futures: Dow down 56 pts, S&P down 2 pts, Nasdaq up 3.5 pts (Adds details, comment, updates prices)

By Tanya Agrawal

July 21 (Reuters) - Wall Street was set to open slightly lower on Tuesday ahead of a raft of earnings from technology giants, including Apple, and as the dollar continues to trade at a three-month high.

The dollar index was down marginally at $97.88, its highest level since April on firming expectation of a U.S. interest rate hike later in the year.

A fall in commodities capped gains on Monday with gold and other precious metals trading near five-year lows.   Continuación...