US futures fall after tech giants rattle market

NEW YORK -- Stock futures are ending the week on a down note after a pair of major tech companies rattled markets with subpar performances during the most recent quarter.

Dow Jones industrial futures are down 25 points to 13,462. The broader S&P futures have given up 3.5 points to 1,448. Nasdaq futures are down 9.25 points to 2,723.50.

Google surprised investors twice Thursday, releasing earnings hours before they were expected, and putting up awful revenue numbers. After the worst sell-off in shares since September 2008, Google shares were flat in premarket trading Friday.

Microsoft is down 2 percent before the market opens after it said that profit tumbled more than 20 percent.

The National Association of Realtors posts existing home sales figures at 10 a.m. Eastern. Economists expect a slight decline.