US STOCKS-Wall St futures edge lower as caution builds ahead of Big Tech earnings

(For a Reuters live blog on U.S., UK and European stock markets, click or type LIVE/ in a news window.) * Futures down: Dow 0.1%, S&P 500 0.3%, Nasdaq 0.7% July 22 (Reuters) – U.S. stock index futures

(The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)