Thermo Fisher Scientific Stock On Fire: Up 8.1% With 7-Day Winning Streak
Thermo Fisher Scientific (TMO) stock hit day 7 of a continuous streak of days with gains, with cumulative gains over this period amounting to a 8.1% return. The company has gained about $16 Bil in value over the last 7 days, with its current market capitalization at about $214 Bil. The stock remains 9.3% above its value at the end of 2024. This compares with year-to-date returns of 13.9% for the S&P 500.
TMO provides life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products worldwide for research, drug production, diagnostics, and laboratory equipment needs. After this rally, is TMO still a buy – or is it time to lock in gains? Deep dive with Buy or Sell TMO.
A single stock can be risky, but there is a huge value to a broader, diversified approach. Should you buy one stock you like or build a portfolio designed to win across cycles? Our numbers show that the Trefis High Quality Portfolio has turned stock-picking uncertainty into market-beating consistency. This portfolio is incorporated in the asset allocation strategy of Empirical Asset Management — a Boston area wealth manager and Trefis partner — whose asset allocation framework yielded positive returns during the 2008-09 period when the S&P lost more than 40%.
Comparing TMO Stock Returns With The S&P 500
The following table summarizes the return for TMO stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | TMO | S&P 500 |
|---|---|---|
| 1D | 1.7% | -0.5% |
| 7D (Current Streak) | 8.1% | 0.7% |
| 1M (21D) | 20.7% | 0.6% |
| 3M (63D) | 19.5% | 5.3% |
| YTD 2025 | 9.3% | 13.9% |
| 2024 | -1.7% | 23.3% |
| 2023 | -3.4% | 24.2% |
| 2022 | -17.3% | -19.4% |
What is the point? Momentum often precedes conviction. A multi-day win streak can signal growing investor confidence or spark follow-on buying. Tracking such trends can help you ride the strength, or prepare for a well-timed entry if momentum fades.
Gains and Losses Streaks: S&P 500 Constituents
There are currently 74 S&P constituents with 3 days or more of consecutive gains and 21 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 12 | 11 |
| 4D | 45 | 4 |
| 5D | 12 | 5 |
| 6D | 2 | 0 |
| 7D or more | 3 | 1 |
| Total >=3 D | 74 | 21 |
Key Financials for Thermo Fisher Scientific (TMO)
Last 2 Fiscal Years:
| Metric | FY2023 | FY2024 |
|---|---|---|
| Revenues | $42.9 Bil | $42.9 Bil |
| Operating Income | $7.3 Bil | $7.7 Bil |
| Net Income | $6.0 Bil | $6.3 Bil |
Last 2 Fiscal Quarters:
| Metric | 2025 FQ1 | 2025 FQ2 |
|---|---|---|
| Revenues | $10.4 Bil | $10.9 Bil |
| Operating Income | $1.8 Bil | $1.9 Bil |
| Net Income | $1.5 Bil | $1.6 Bil |
While TMO stock looks attractive given its winning streak, investing in a single stock without detailed, thorough analysis can be risky. The Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 — the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.