The stock market is up Friday, with the Dow Jones Industrial Average up 0.33%, the Nasdaq up 0.59% and the S&P 500 up 0.43%. Today’s winners include a pharmaceutical company that received good news from the Food and Drug Administration and a home builder that beat Wall Street earnings expectations. Today’s losers include a pharmaceutical company who may not get European approval for a drug and a well-known mobile company that experienced outages overseas.

These are Friday’s market winners and losers.

Biggest Winners

Shares of Halozyme Therapeutics Inc. (NASDAQ: HALO) are up 26.52% to $8.11 on trading volume of 2 million shares. The U.S. Food and Drug Administration has provided guidance to Halozyme and ViroPharma Inc. (NASDAQ: VPHM) to resume clinical studies of the drug Cinryze. The 52-week high is $13.50.

Shares of KB Home (NYSE: KBH) are up 9.38% to $14.34 on trading volume of 7 million shares. The company earned 4 cents a share in the third quarter, better than a loss of 12 cents a share that Wall Street analysts polled by Reuters were expecting. Before Friday, the 52-week high was $13.65.

Biggest Losers

Shares of VIVUS Inc. (NASDAQ: VVUS) are down 10.58% to $21.21 on trading volume of 4.7 million shares. The pharmaceutical company is concerned that European regulators will reject its anti-obesity drug. The 52-week low is $7.47.

Shares of Research In Motion Ltd. (NASDAQ: RIMM) are down 5.58% to $6.52 on trading volume of 10.4 million shares. Blackberry suffered service outages in Europe, the Middle East and Africa. The 52-week low is $6.33.

Samuel Weigley

Follow him on Twitter: SWeigley

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