The BCW Index gained 1.2 percent for the week ended Tuesday, rising along with tech stocks in the Nasdaq and the Nasdaq Biotech Index. The Nasdaq rose 1.3 percent and the Nasdaq Biotech Index rose 1.7 percent for the tracking period, while the Dow Jones Industrial Average climbed .7 percent.
 
Stocks for 13 of the 16 companies in the Index gained ground for the week, led by Fisher Scientific, which rose 5.1 percent. Thermo Electron and Bruker Biosciences gained 4.7 percent and 4.4 percent, respectively.

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