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By Janet Levaux, AdvisorOne |
February 17, 2011
Invesco PowerShares will change the ticker symbols of its nine S&P SmallCap Sector ETFs by March 31.
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By Ronald Delegge, ETFguide.com |
July 26, 2010
The Select Sector SPDR Trust on Monday, July 26, filed a lawsuit against Invesco PowerShares Capital Management and related entities for trademark infringement and misappropriation.