Shares of Thermo Fisher Scientific Inc. TMO shed 0.48% to $542.31 Friday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index SPX falling 1.54% to 5,827.04 and Dow Jones Industrial Average DJIA falling 1.63% to 41,938.45.

With a market cap of $205.5 billion, Thermo Fisher Scientific Inc. (TMO) is a global leader in serving science, providing a broad range of products and services across life sciences, analytical instruments,

Thermo Fisher Scientific (NYSE:TMO – Get Free Report) was downgraded by equities researchers at StockNews.com from a “buy” rating to a “hold” rating in a research report issued to clients and investors on Monday.

The stock's fall snapped a five-day winning streak.