This article has been corrected to fix erroneous information regarding Qiagen. The firm's Q4 revenues increased 5 percent, not decreased 5 percent, as the previous version of the article stated. Also, Qiagen didn't sign a recent companion diagnostic alliance with Amgen.

NEW YORK (GenomeWeb News) – Illumina, Pacific Biosciences, and Myriad Genetics led a group of companies which saw their stocks increase more than 20 percent in January from December as the GenomeWeb Daily News Index rose nearly 7 percent month over month.

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Microsoft co-founder Paul Allen also contributed to brain research, NPR reports.

The New York Times reports on the shifting interpretations of what some genetic variants mean over time.

In Cell this week: investigation of metastatic tumor evolution, more than 16,000 genetic variants introduced into the budding yeast model organism, and more.

MIT's Technology Review reports on Genentech's pursuit of personalized cancer vaccines.