Two private equity groups have placed second-round bids for medical diagnostics company, Beckman Coulter, Reuters reports. The first group consists of Blackstone Group and TPG Capital, while the second includes Apollo Management and Carlyle Group.

Diversified industrial company, Danaher, was also interested in the auction. Beckman, which has a market value of about $5 billion, has appointed Goldman Sachs as an advisor for the sale.

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