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The spike in shares of Polypore (PPO +3.2%) is attributed to an article discussing "soaring"...

  • Tuesday, June 5, 2012, 2:22 PM ET
    The spike in shares of Polypore (PPO +3.2%) is attributed to an article discussing "soaring" sales of Chevy Volt in California. The plug-in appears to be gaining ground in California, typically a sore spot for GM with just a 9.3% share of the state's market vs. 17.4% nationwide. PPO is a supplier to GM's battery cell maker.
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