Shares of both Synergen Inc. and Xoma Corp. rose sharply onFriday. Spokeswomen for the companies said neither hadreleased any news and they knew of no reason for the gains.Boulder, Colo.-based Synergen (NASDAQ:SYGN) was up $3.75 to$64.50. Xoma of Berkeley, Calif., (NASDAQ:XOMA) gained $2.63to $22.88.
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