Stock of Bio-Rad Laboratories, Inc. (BIO) gained 6 percent on Friday morning despite no corporate-specific news to influence the stock movement.
Currently, the stock is climbing 6.14 percent, to $335.71 over the previous close of $316.30 on a volume of 165,655 on the New York Stock Exchange.
The stock traded between $261.59 and $509.62 in the last 52-week period.
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