Shares in Luminex dropped 9 percent for the five-day trading period ended Tuesday. The firm’s shares have declined 13 percent since closing at $14.35 on May 2, the day it released its first-quarter results, which included a 28 percent gain in revenues but a 75 percent drop in profit year over year. Luminex led the 10 stocks that lost value during the trading period.
 
Bruker BioSciences reversed a two-week skid in its share price and closed up 8 percent for the week.
 

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Researchers find that historical factors influence which genes are the most highly studied, the Atlantic reports.

The US National Science Foundation's new sexual harassment policy is to go into effect next month, according to Nature News.

Researchers report using genotyping to tie together illegal ivory shipments and trace them back to a handful of cartels, the New York Times reports.

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