Big move · China stocks
SJ Semiconductor Corporation (688820) falls 5.4% to CNY 121.07
Its biggest one-day fall in 6 weeks.
- Close
- CNY 121.07
- On the day
- −5.4%
- Volume
- 0.6× average
- vs 5-month high
- −47.1%
SJ Semiconductor Corporation closing prices
The last 90 closes up to 28 September 2026. The live chart is on the 688820 page.
What happened
SJ Semiconductor Corporation (688820) closed at CNY 121.07 on 28 September 2026, down 5.4% from CNY 128.02 the session before.
It was 688820's biggest one-day fall in 6 weeks. It was the fifth lower close in a row. Over 5 sessions the price is down 15.3%, and over 20 sessions it is down 5.1%.
The close is 47.1% below the highest close of the past 5 months (CNY 229.00 on 26 May 2026) and 58.0% above the lowest (CNY 76.65 on 21 Apr 2026).
Trading was light: volume was 58% of its recent average.
Across the 19 SSE stocks we track, 4 closed higher and 14 closed lower that day, with a median change of −0.83%. 688820's change was −5.4%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | CNY 128.02 |
|---|---|
| Close | CNY 121.07 |
| Change on the day | −5.43% |
| Change over 5 sessions | −15.26% |
| Change over 20 sessions | −5.08% |
| Volume | 6.85 Million |
| Average volume, up to 20 sessions before | 11.83 Million |
| Volume against that average | 0.6 times |
| Highest close in the past 5 months | CNY 229.00 (26 May 2026) |
| Lowest close in the past 5 months | CNY 76.65 (21 Apr 2026) |
The full chart and history are on SJ Semiconductor Corporation (688820). More from this market: SSE news today.