Thermo Fisher (TMO) stock slides as investors square up ahead of Jan. 29 results
New York, Jan 23, 2026, 12:53 ET — Regular session underway. Shares of Thermo Fisher Scientific dropped close to 2% on Friday, surrendering earlier gains after the stock briefly surged toward $640 during the session. The pullback is significant since Thermo Fisher stands as a key bellwether for the sector. Investors are bracing for next week’s results, which might shift expectations for demand in lab equipment and bioproduction services. The broader tape showed a mixed picture. The S&P 500 tracker SPY held steady, but the health-care sector ETF XLV dipped. Thermo Fisher slipped, dragging down other life-science tools stocks like