Shares of Core Laboratories (NYSE: CLB) surged more than 7% in early trading on June 25, and though it's given up some of that early momentum, the stock is still up 3.2% at 2:45 p.m. EDT in what has been a pretty volatile week.
Today's upward move isn't directly attached to anything Core Lab has announced or reported to the Securities and Exchange Commission. But this has been a volatile week, with oil prices crashing hard on June 24 following the U.S. Energy Information Administration's weekly petroleum report. That crashed most oil stocks, including Core Lab shares.
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Source Fool.com