Thermo Fisher Scientific Inc. (TMO) gained 1.20% on September 22, 2026, closing at $658.99, as the stock continued to build on recent momentum in the life sciences sector.
Over the past seven days, shares have risen 7.38%, reflecting sustained buying interest in the company. The 30-day performance also remains firmly positive, with TMO up 4.75% over that span, suggesting a broader period of strength for the stock.
The company's market capitalization stood at $240.87 billion as of the close, underscoring Thermo Fisher's position as one of the largest companies in its industry by that measure.
Tuesday's session added to a string of gains that has pushed TMO meaningfully higher across multiple timeframes, with the one-week advance of 7.38% standing out as a particularly sharp move relative to the month's overall trajectory.
