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.