Wall Street's main indexes declined on Wednesday and the Nasdaq hit a two-week low as a rally in technology stocks cooled and caution prevailed ahead of the Federal Reserve's highly anticipated Jackson Hole symposium later this week After driving much of the market's recovery from the April selloff,

Stocks might get their September interest-rate cut, but the Federal Reserve could still disappoint the market, as soon as this month.

U.S. stock futures were trading lower early Wednesday as traders awaited earnings reports from America’s big-box retailers and the release of