$16.50 (week's change: +24.3%)
52-week return: +392.5%
Shares had their best week since February after an investing website touted CVD's graphene potential. Some researchers say graphene could someday replace silicon in semiconductors.
$31.73 (week's change: +10.1%)
52-week return: +40.8%
The maker of health foods and organic products said quarterly sales hit a record $292 million, contributing to a 91 percent increase in net income compared to the same period a year ago.
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