BSX Stock Down -9.2% after 8-Day Loss Streak

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Trefis
BSX: Boston Scientific logo
BSX
Boston Scientific

Boston Scientific (BSX) stock hit day 8 of a continuous streak of days with losses, with cumulative losses over this period amounting to a -9.2% return. The company has lost about $13 Bil in value over the last 8 days, with its current market capitalization at about $145 Bil. The stock remains 10.0% above its value at the end of 2024. This compares with year-to-date returns of 12.8% for the S&P 500.

BSX provides medical devices for interventional specialties, including diagnostics and treatments for gastrointestinal, pulmonary, urological, pelvic, cardiovascular, rhythm, and neuro conditions. Is this drop a warning sign or a setup for rebound? Deep dive with Buy or Sell BSX.

Comparing BSX Stock Returns With The S&P 500

The following table summarizes the return for BSX stock vs. the S&P 500 index over different periods, including the current streak:
 

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Return Period BSX S&P 500
1D -0.3% 0.5%
8D (Current Streak) -9.2% 2.1%
1M (21D) -5.3% 3.4%
3M (63D) -3.1% 10.9%
YTD 2025 10.0% 12.8%
2024 54.5% 23.3%
2023 24.9% 24.2%
2022 8.9% -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: BSX Dip Buyer Analysis.

Gains and Losses Streaks: S&P 500 Constituents

There are currently 51 S&P constituents with 3 days or more of consecutive gains and 36 constituents with 3 days or more of consecutive losses.
 

Consecutive Days # of Gainers # of Losers
3D 27 12
4D 17 5
5D 0 17
6D 1 1
7D or more 6 1
Total >=3 D 51 36

 
 
Key Financials for Boston Scientific (BSX)

Last 2 Fiscal Years:

Metric FY2023 FY2024
Revenues $14.2 Bil $16.7 Bil
Operating Income $2.4 Bil $3.0 Bil
Net Income $1.6 Bil $1.9 Bil

Last 2 Fiscal Quarters:

Metric 2025 FQ1 2025 FQ2
Revenues $4.7 Bil $5.1 Bil
Operating Income $937.0 Mil $943.0 Mil
Net Income $674.0 Mil $797.0 Mil

 
The losing streak BSX 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.