Strategy focus: Quants down on rising correlation

Thu Sep 27, 2007



The first 10 days of August brought chaos to hedge funds that rely on quantitative models for their investment strategies, with such top-shelf firms as Renaissance Technologies, AQR Capital Management and Goldman Sachs Asset Management suffering steep losses. Some managers managed to recoup losses by month's end, but many others were left deep underwater.

Jim Simons'...

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