Markets Right Now: Stocks end mostly lower on Wall Street

Stocks are closing mostly lower on Wall Street after a day of wobbling back and forth as investors looked over some mixed news on corporate earnings.

The latest on developments in financial markets (all times local):

4 p.m.

Stocks are closing mostly lower on Wall Street after a day of wobbling back and forth as investors looked over some mixed news on corporate earnings.

Health care and energy companies did well Tuesday, but losses in technology and communications companies checked those gains.

Biogen soared 26% after the drug company said it would seek federal approval for a medicine to treat early Alzheimer's disease.

Facebook gave up 3.9%.

Travelers sank 8.3% after the insurance company reported earnings that fell far short of analysts' forecasts.

The S&P 500 fell 10 points, or 0.4%, to 2,995.

The Dow Jones Industrial Average fell 39 points, or 0.1%, to 26,788. The Nasdaq fell 58 points, or 0.7%, to 8,104.

Bond prices rose. The yield on the 10-year Treasury fell to 1.76%.

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11:45 a.m.

Stocks are mostly higher at midday after wobbling for much of the morning, led by gains in health care and energy stocks.

Biogen soared 25% Tuesday after the drug company said it would seek federal approval for a medicine to treat early Alzheimer's disease.

Technology and communications companies were falling. Facebook gave up 2.6%.

Financial companies were also lagging the rest of the market. Travelers sank 7% after the insurance company reported earnings that fell far short of analysts' forecasts.

The S&P 500 edged up 3 points, or 0.1%, to 3,009.

The Dow Jones Industrial Average rose 40 points, or 0.2%, to 26,869. The Nasdaq fell 15 points, or 0.2%, to 8,147.

The yield on the 10-year Treasury held steady at 1.79%.

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9:35 a.m.

Stocks are off to a mixed start on Wall Street as gains by health care companies are offset by losses elsewhere in the market.

Biogen soared 40% after the drug company said it would seek federal approval for a medicine to treat early Alzheimer's disease.

Financial companies were lagging the rest of the market. Travelers sank 7% after the insurance company reported earnings that fell far short of analysts' forecasts.

Hasbro plunged 15% after the toymaker reported weak quarterly results.

The S&P 500 edged up 2 points, or 0.1%, to 3,009.

The Dow Jones Industrial Average fell 16 points, or 0.1%, to 26,812. The Nasdaq gained 20 points, or 0.3%, to 8,183.

Bond prices rose. The yield on the 10-year Treasury fell to 1.77%.