Shares in Bruker BioSciences briefly climbed to a 52-week high of $5.70 this week, before closing up 11.75 percent to $5.61 on Tuesday. The firm's shares rose this past week after announcing a biodefense contract for the United Arab Emirates. Molecular Devices also hovered near a 52-week high, closing up 8.89 percent for the tracking period ended Tuesday.
Harvard Bioscience led decliners for the week, closing the period down 7.39 percent.