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"In today's session PowerShares Exchange-Traded Fund Trust II (BKLN) recorded an unusually high (6,470) contrac"^^<http://www.w3.org/2001/XMLSchema#string>
<http://friscofastball.com/2016/10/13/what-will-happen-to-powershares-exchange-traded-fund-trust-ii-next-the-stock-just-had-huge-bearish-options-activity/>