Tecogen Stock Plummets -36% With 10-Day Losing Streak
Tecogen (TGEN) stock hit day 10 of a continuous streak of days with losses, with cumulative losses over this period amounting to a -36% return. The company has lost about $95 Mil in value over the last 10 days, with its current market capitalization at about $172 Mil. The stock remains 220.8% above its value at the end of 2024. This compares with year-to-date returns of 15.2% for the S&P 500.
Tecogen’s recent streak saw shares slide amid a widening Q3 net loss and rising operating expenses. While product sales surged, eroding service and energy production margins, exacerbated by contract expirations and New York City regulatory hurdles, dampened investor sentiment.
What is the point? Sustained weakness can be more than noise. It often signals shifting sentiment or deeper concerns. A multi-day losing streak may warn of further downside, or present an opportunity to buy if fundamentals are intact.For quick background, TGEN provides industrial and commercial cogeneration systems along with long-term maintenance, parts sales, and turnkey installation services through multiple field service centers.
Comparing TGEN Stock Returns With The S&P 500
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The following table summarizes the return for TGEN stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | TGEN | S&P 500 |
|---|---|---|
| 1D | -1.7% | 0.8% |
| 10D (Current Streak) | -35.6% | -1.2% |
| 1M (21D) | -25.9% | 2.4% |
| 3M (63D) | -46.3% | 1.7% |
| YTD 2025 | 220.8% | 15.2% |
| 2024 | 80.9% | 23.3% |
| 2023 | -35.2% | 24.2% |
| 2022 | 4.2% | -19.4% |
Gains and Losses Streaks: S&P 500 Constituents
There are currently 24 S&P constituents with 3 days or more of consecutive gains and 60 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 14 | 39 |
| 4D | 4 | 6 |
| 5D | 1 | 10 |
| 6D | 0 | 4 |
| 7D or more | 5 | 1 |
| Total >=3 D | 24 | 60 |
Key Financials for Tecogen (TGEN)
Last 2 Fiscal Years:
| Metric | FY2023 | FY2024 |
|---|---|---|
| Revenues | $25.1 Mil | $22.6 Mil |
| Operating Income | $-4.4 Mil | $-4.3 Mil |
| Net Income | $-4.6 Mil | $-4.8 Mil |
Last 2 Fiscal Quarters:
| Metric | 2025 FQ1 | 2025 FQ2 |
|---|---|---|
| Revenues | $7.3 Mil | $7.3 Mil |
| Operating Income | $-0.6 Mil | $-1.4 Mil |
| Net Income | $-0.7 Mil | $-1.5 Mil |
The losing streak TGEN stock is currently on doesn’t inspire much confidence among investors. In contrast, 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.