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Sequenom Rises Again, While Cepheid Shares Drop

Shares of Sequenom have risen sharply for the fourth week in a row, climbing 11.5 percent for the five-day trading period ended Tuesday to lead all stocks in the BCW Index. Sequenom’s shares have doubled over the past month as the firm in-licensed rights to a next-generation sequencing technology and launched a new assay design and validation service.
Cepheid, whose shares have risen throughout the year, led decliners in the Index this week with a drop of 10.1 percent as investors took profits. Its shares had a strong Tuesday, though, gaining 4.2 percent after the firm was mentioned during a CNBC report on hospital Staph infections.
Overall, the Index dropped .7 percent for the tracking period. In comparison, the Dow Jones Industrial Average fell 1.8 percent, the Nasdaq dropped 1.4 percent, and the Nasdaq Biotech Index bucked the trend by closing up .2 percent for the week.

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The Scan

Interfering With Invasive Mussels

The Chicago Tribune reports that researchers are studying whether RNA interference- or CRISPR-based approaches can combat invasive freshwater mussels.

Participation Analysis

A new study finds that women tend to participate less at scientific meetings but that some changes can lead to increased involvement, the Guardian reports.

Right Whales' Decline

A research study plans to use genetic analysis to gain insight into population decline among North American right whales, according to CBC.

Science Papers Tie Rare Mutations to Short Stature, Immunodeficiency; Present Single-Cell Transcriptomics Map

In Science this week: pair of mutations in one gene uncovered in brothers with short stature and immunodeficiency, and more.