Teledyne Technologies Stock Plummets -8.4% With 5-Day Losing Streak
Teledyne Technologies (TDY) stock hit day 5 of a continuous streak of days with losses, with cumulative losses over this period amounting to a -8.4% return. The company has lost about $2.3 Bil in value over the last 5 days, with its current market capitalization at about $25 Bil. The stock remains 13.2% above its value at the end of 2024. This compares with year-to-date returns of 17.2% for the S&P 500.
TDY provides enabling technologies for industrial growth, including digital imaging for machine vision and aerospace and defense electronic components and communication products internationally. Is this drop a warning sign or a setup for rebound? Deep dive with Buy or Sell TDY.
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 TDY Stock Returns With The S&P 500
The following table summarizes the return for TDY stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | TDY | S&P 500 |
|---|---|---|
| 1D | -0.6% | 0.2% |
| 5D (Current Streak) | -8.4% | 2.3% |
| 1M (21D) | -9.3% | 3.4% |
| 3M (63D) | -4.6% | 8.3% |
| YTD 2025 | 13.2% | 17.2% |
| 2024 | 4.0% | 23.3% |
| 2023 | 11.6% | 24.2% |
| 2022 | -8.5% | -19.4% |
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. Take a look at what history tells you about whether past dips like this have been buying opportunities or traps: TDY Dip Buyer Analysis.
Gains and Losses Streaks: S&P 500 Constituents
There are currently 52 S&P constituents with 3 days or more of consecutive gains and 80 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 19 | 46 |
| 4D | 27 | 21 |
| 5D | 1 | 9 |
| 6D | 1 | 2 |
| 7D or more | 4 | 2 |
| Total >=3 D | 52 | 80 |
Key Financials for Teledyne Technologies (TDY)
Last 2 Fiscal Years:
| Metric | FY2023 | FY2024 |
|---|---|---|
| Revenues | $5.6 Bil | $5.7 Bil |
| Operating Income | $1.0 Bil | $1.0 Bil |
| Net Income | $885.7 Mil | $819.2 Mil |
Last 2 Fiscal Quarters:
| Metric | 2025 FQ2 | 2025 FQ3 |
|---|---|---|
| Revenues | $1.5 Bil | $1.5 Bil |
| Operating Income | $278.2 Mil | $282.8 Mil |
| Net Income | $209.9 Mil | $220.7 Mil |
The losing streak TDY 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.