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The news lifted Genzyme’s stock 6.06% to $66.27 Monday. Genzyme’s shares surged 15.4% to $62.52 on Friday after the Journal reported Sanofi-Aventis has made an informal acquisition approach to Genzyme.
In its pitch to Genzyme, U.K.-based Glaxo told execs to keep the company in mind if they consider selling the company, the Journal reported. But the talks haven’t escalated beyond that casual expression of interest, the paper reported. Johnson & Johnson (JNJ was also mentioned as a potential suitor of Genzyme’s.
Glaxo’s shares price took a minor hit on the news, sinking 0.35% to $36.37. Sanofi Aventis was recently up 0.71% to $29.56, trimming its 2010 loss of 25%.