Stocks were mixed Monday, with the Dow Jones Industrial Average up 0.05%, the Nasdaq down 0.42% and the S&P 500 down 0.06%. Today’s winner was a company who will have a new CEO. One of today’s losers was a drug company with an unsuccessful drug trial, while another company lost an arbitration ruling as it sought damages.

These are Monday’s market winner and losers.

Biggest Winner

Shares of Jaguar Mining Inc. (NYSE: JAG) are up 10.39% to $1.26 on trading volume of 1.7 million shares. The mining company on Monday announced the appointment of David Petroff as chief executive officer. The 52-week high is $8.18.

Biggest Losers

Shares of Geron Corporation (NASDAQ: GERN) are down 54.48% to $1.32 on trading volume of 9.8 million shares. The company announced it would halt the study of its breast cancer drug after it found it didn’t improve the condition of patients.  The 52-week low is $1.25.

Shares of Nordion Inc. (NYSE: NDZ) are down 37.75% to $6.63 on trading volume of 2.9 million shares. The medical isotopes company announced it was suspending its dividend after an arbitration panel dismissed its claim to receive damages from Canadian-state-owned Atomic Energy of Canada Limited. Before Monday, the 52-week low was $8.00

Samuel Weigley

Follow him on Twitter: SWeigley

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