Shares of Bruker Biosciences declined 8.1 percent for the week ended Tuesday to lead decliners in the BCW Index. The drop took place mostly on Monday, after the firm announced that it would offer 10.4 million shares of common stock (see Briefs).
GE led gainers for the week with a 6.6 percent rise in share price, followed by Thermo Fisher Scientific, which climbed 3.7 percent.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.