Jun. 15, 2009 (China Knowledge) - Wellington Management Co LLP, an asset manager and trust investment advisor to global institutions, has raised its H-share holding in Weichai Power Co Ltd<000338><2338> to 5.21% from the previous 4.84%, according to the bourse operator Hong Kong Exchanges and Clearing (HKEx)<0388>.Information from HKEx showed that Boston-based Wellington on Jun.
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