Today's Market Winners and Losers

The stock market is up Monday, with the Dow Jones Industrial Average up 1.10%, the Nasdaq up 0.70% and the S&P 500 up 0.94%. Today's winners include a company getting bought out and an insurer that had capital requirements relaxed. Today's only loser was a pharmaceutical company that reported weak results for a drug study.

These are Monday's market winners and loser.

Biggest Winners

Shares of Ceradyne Inc. (NASDAQ: CRDN) are up 42.90% to $34.91 on trading volume of 10.1 million shares. 3M Co. (NYSE: MMM) will buy the technical ceramics company for about $860 million, or $35 a share. The 52-week high is $36.61.

Shares of MGIC Investment Corp. (NYSE: MTG) are up 17.65% to $1.80 on trading volume of 7 million shares. Freddie Mac has lowered the capital requirements to write down mortgage insurance in certain states from $200 million to $100 million. The 52-week high is $5.15.

Biggest Loser

Shares of Threshold Pharmaceuticals Inc. (NASDAQ: THLD) are down 13.12% to $6.29 on trading volume of 2.3 million shares. The company reported less than desirable data on its drug TH-302 which will help treat pancreatic cancer. The 52-week low is $1.18.

-Samuel Weigley

Follow him on Twitter: SWeigley

Filed under: 24/7 Wall St. Wire, Market Roundups, Most Actives Tagged: CRDN, MMM, MTG, THLD