Updated throughout the day.

The Gores Group may be in talks with Polycom about merging the video conferencing company with Siemens Enterprise Communications. (FT)

Man Group is in acquisition talks with American firms including SAC Capital and GLG Partners. (Bloomberg)

The Justice Department is looking at certain investment transactions at Calpers and other funds. (WSJ)

Radio Shack (RSH) may be for sale. (NYPost)

Douglas A. McIntyre

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