| http://www.w3.org/ns/prov#value | - SAN FRANCISCO (MarketWatch) -- Insider-trading charges against hedge-fund billionaire Raj Rajaratnam are rippling through the $1.5 trillion industry, because being aggressive about obtaining information is an integral part of many firms' strategies.Galleon Group founder Rajaratnam; Danielle Chiesi and Mark Kurland of hedge-fund firm New Castle Partners; and executives at International Business Mac
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