Jun. 4, 2009 (China Knowledge) - U.S.-based investment management firm AllianceBernstein LP has reduced its shareholding in Sinopec<600028><0386><SNP> to 4.76% from the 5.02% it held earlier, according to bourse operator Hong Kong Exchanges and Clearing (HKEx)<0388>. Information from HKEx showed that AllianceBernstein on May 27 sold 44.55 million or 0.26% H-shares in Sinope
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