Danaher Corp (DHR.N) agreed to buy medical diagnostics company Beckman Coulter Inc (BEC.N) for $5.8 billion cash, moving further into its growing medical technology business. The $83.50-per-share deal represents an 11 percent premium to Beckman's closing price on Friday, and a roughly 45 percent premium over its price in December before rumors of a deal entered the marketplace, according to Beckman. Beckman shares jumped 9.8 percent to $82.55 in premarket trading, while Danaher rose to $49.56.
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