4.9× 20-Day Avg May 21, 2026

ST8 Volume Spikes

ST8 traded 229.2K shares on May 21, 2026, 4.9x its 20-day average of 46.4K shares. The stock closed at 3080.0 VND, moving -1.91% during the session; no same-day news catalyst was identified in Aveluro's feed.

Spike Ratio
4.9× 20-Day Avg
Change
-1.91%
Same-day catalysts
No same-day catalyst identified in Aveluro's feed.
Data as of
2026-05-21
Volume
229.2K / 46.4K

Caveat: Not investment advice. · How Aveluro computed this: Aveluro combines extracted event facts, source credibility, ticker context, and market data. Scores are deterministic research signals, not recommendations.

Volume
229.2K
20-Day Avg
46.4K
Spike Ratio
4.9×
Close
3080.0
Change
-1.91%
Open
3140.0
High
3160.0
Low
3010.0

ST8, listed on HOSE, recorded an unusual volume event on May 21, 2026. The stock traded 229.2K shares — 4.9x its 20-day average of 46.4K shares. The stock closed at 3,080 VND, declining 1.91% on the day. Intraday, shares ranged from 3,010 to 3,160 VND after opening at 3,140 VND, reflecting active two-sided trading throughout the session.

A 4.9x spike relative to the 20-day average is a notable departure from normal trading patterns that warrants attention. Volume spikes on Vietnamese equities are frequently associated with corporate announcements, regulatory decisions, earnings releases, or shifts in foreign investor positioning. On days with no identifiable news catalyst, unusual volume can reflect block trades, index rebalancing activity, or early positioning ahead of a forthcoming disclosure.

No news articles linked to ST8 were identified in Aveluro's Vietnamese financial press feeds for May 21, 2026. Undisclosed catalysts — such as block trade facilitation, pre-announcement positioning, or sector rotation — may explain the volume deviation. Monitoring subsequent sessions for follow-through volume or a company announcement is advisable.

For investors tracking ST8, a volume spike of this magnitude (4.9x) should be cross-referenced against the company's upcoming earnings calendar, any pending regulatory filings, and broader sector momentum. Historical volume spikes on Vietnamese equities that are accompanied by price gains of more than 2% and sustained over the following three sessions have often preceded formal corporate disclosures. Where the volume spike occurs without a corresponding price move, it may reflect distribution rather than accumulation. Use the links below to review ST8's full price history and recent news coverage.

Aveluro combines extracted event facts, source credibility, ticker context, and market data. Scores are deterministic research signals, not recommendations. How Aveluro computed this

Information provided for educational purposes only. Past performance does not guarantee future results. Data sourced from public Vietnamese market feeds.

Last updated: 2026-05-21T12:13:57Z.

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