Is Insider Trading Probe Actually Helping SAC Capital?  Douglas
Healey | Bloomberg | Getty Images  The government's crackdown on
insider trading at hedge funds may actually be benefiting one
fund at the center of the probe—SAC Capital.  The investigations
have resulted in the ruin of several hedge funds.  Raj
Rajaratnam'sGalleon Group, which controlled $7 billion at its
height, is long gone. Level Global, a $4 billion hedge fund in
New York that federal agents raided in November 2010, announced
the following February that it would wind down.  The much
smaller Barai Capital and Loch Capital, also raided in November
2010, liquidated around the same time. And on Thursday,
Diamondback Capital—which once held at least $2 billion of
investor funds— announced it would also unwind.  The larger
funds—Galleon,Level Global, Diamondback—could be considered
competitors or potential competitors of SAC Capital. They
competed with SAC for investor capital and in aggressive trading
positions. They also competed for personnel,