** Shares of life sciences firm Danaher DHR.N down about 5% at $202.54 premarket
** Co close to a nearly $10 billion deal to acquire Masimo MASI.O, Financial Times reported on Monday
** Danaher and Masimo did not immediately respond to Reuters' requests for comment
** YTD, DHR down around 7%
(Reporting by Gnaneshwar Rajan in Bengaluru)
((Gnaneshwar.Rajan@thomsonreuters.com;))