Returning from a two-week hiatus, the BCW Index gained 1.8 percent for the past three weeks Stratagene posted by far the biggest loss for both the past week and the three-week tracking period, after a jury found the firm had willfully infringed patents held by Third Wave Technologies and ordered Stratagene to pay damages of $5.3 million (see related article). For the four days ended Tuesday, Stratagene's shares fell 16.6 percent, and for the three-week tracking period, the shares dropped 18.7 percent.

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The New York Times profiles 23andMe's Anne Wojcicki and describes how she bounced back from a bad year.

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