Danaher Corp. (NYSE: DHR), Washington, DC, has agreed to acquire Cepheid (NASDAQ:CPHD), Sunnyvale, CA, for $4 billion.
Cepheid, with 2015 sales of $539 million, is a global molecular diagnostics company that develops, manufactures and markets molecular systems and tests.
Cepheid will become part of Danaher's $5 billion diagnostics segment.