US stocks open mostly lower as several companies issue disappointing results and outlooks

Stocks are opening mostly lower as traders were disappointed with several corporate earnings and outlooks.

UnitedHealth Group sank 6 per cent early Thursday after the nation’s largest health insurer cut its full-year earnings forecast.

Best Buy dropped 8 per cent after the big electronics retailer reported weak quarterly sales and a cautious outlook for the holiday shopping season.

The market is coming off its biggest gain in four weeks.

The Dow Jones industrial average gained was down 32 points, or 0.2 per cent, to 17,703.

The Standard & Poor’s 500 lost two points, or 0.1 per cent, to 2,081. The Nasdaq composite slipped three points to 5,071.

Bond prices rose. The yield on the 10-year Treasury note fell to 2.24 per cent.