Thermo Fisher Scientific Inc. (TMO) added 0.18% on September 30, 2026, bringing shares to $679.61. The modest single-session gain came atop a broader stretch of positive momentum for the life sciences and laboratory equipment company.
Over the past seven days, TMO climbed 3.20%, while the 30-day window showed a more substantial move of 9.26%. The stock's market capitalization stood at $250.91 billion as of the close.
The 30-day performance reflects one of the stronger runs among large-cap stocks in the sector over that period. The combination of weekly and monthly gains suggests sustained buying interest throughout September.
At $679.61, TMO's price reflects a full month of incremental advances that built steadily into the end of the month, with the $250.91 billion market cap underscoring the company's standing as one of the larger names in its industry.
