Movers roundup: Genworth, ViroPharma

BOSTON (AP)--Shares of Genworth Financial Inc. sank to the stock's all-time low Tuesday, a day after Moody's Investors Service cut one of the insurance company's credit ratings and downgraded the financial strength of its life insurance subsidiary.

NEW YORK (AP)--Shares of ViroPharma Inc. dove Tuesday after likely rival Optimer Pharmaceuticals Inc. said patients taking its developing gastrointestinal infection drug had a higher cure rate and were less likely to relapse.

NEW YORK (AP)--Shares of Intel Corp. and smaller rival Advanced Micro Devices Inc. edged lower Tuesday after analysts trimmed their estimates on the chip makers in part because of the bad economy and a slowdown in the PC market.

PITTSBURGH (AP)--Shares of Deere & Co., the world's largest maker of farm machinery, slumped Tuesday as an analyst lowered his price target for the stock due to larger market weakness that could hamper equipment demand.

NEW YORK (AP)--Shares of Hospitality Properties Trust surged on Tuesday after the hotel real estate investment trust reported that its third-quarter results beat Wall Street's expectations.