SD Biosensor +6.53% Leads Diagnostics Surge as KOSPI Falls 1.98%, Why the Drop?
픽스톡AI Summary
KOSPI closed at 6,803.90, down 1.98%.
Relative strength clustered in diagnostics, K-beauty/cosmetics, and mRNA vaccine/therapeutics.
Only data passing date and theme price cache freshness guards were used, and single-day signals should be reconfirmed by next-day volume and flows.
KOSPI 6,803.90 (-1.98%)
KOSDAQ 898.43 (-2.34%)
Top strong themes today: Diagnostics, K-Beauty/Cosmetics, mRNA Vaccine/Therapeutics
Korea Market Close
| Index | Close | Change | Change % |
|---|---|---|---|
| KOSPI | 6,803.90 | -137.49 | -1.98% |
| KOSDAQ | 898.43 | -21.49 | -2.34% |
Global Macro Snapshot
| Metric | Value | Daily Change |
|---|---|---|
| VIX (Fear Index) | 15.24 | - |
| US 10Y | 5.269% | - |
| Dollar Index (DXY) | 102.24 | - |
| KRW/USD | ₩1,338.17 | - |
| S&P 500 | 7,818.93 | - |
| Nasdaq | 27,599.89 | - |
| WTI Oil | $89.48 | - |
| Gold | $4,152.00 | - |
| Bitcoin | $83,924 | - |
Top 3 Strong Themes Today
| Rank | Theme | Avg Change | Up/Down | Leading Strong Stock |
|---|---|---|---|---|
| 1 | Diagnostics | +3.78% | 4/0 | SD Biosensor (137310) +6.53% |
| 2 | K-Beauty/Cosmetics | +2.77% | 9/1 | Able C&C (078520) +7.51% |
| 3 | mRNA Vaccine/Therapeutics | +2.39% | 5/1 | Genexine (095700) +6.35% |
Bottom 3 Weak Themes Today
| Rank | Theme | Avg Change | Up/Down | Leading Weak Stock |
|---|---|---|---|---|
| 1 | Cybersecurity | -6.99% | 0/3 | AhnLab (053800) -12.70% |
| 2 | Space/Aerospace | -5.83% | 0/7 | Satrec Initiative (099320) -8.96% |
| 3 | Low-Orbit Satellite | -5.67% | 0/3 | LIG Defense and Aerospace (079550) -6.26% |
What to Watch Next
Both markets sold off sharply, KOSPI -1.98%, KOSDAQ -2.34%, so macro shock assessment is necessary.
Bottom 3 themes averaged -6.16%, indicating concentrated selling in weak themes.
Single-day signals should not be used for trading decisions, and trends should be confirmed over at least five trading days combined with macro changes.
Single-day data should not be used for trading decisions. Judge with trends over five trading days and macro changes.
Further Reading
- Weekly reports and insights: PickStock Insights
- How to use macro indicators: Three indicators to gauge market temperature
- Theme stock mindmaps: PickStock Theme Explorer
Report date: 2026-10-07. Data sources: Naver Finance, Yahoo Finance, CNN Fear & Greed. Prices were checked for anomalies and date alignment. This is information only, not investment advice or solicitation.
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