SGML down 16.9% on Sep 8 2026 with no filing that explains it
SGML-16.9%on Tue Sep 8 2026
Sigma Lithium Corporation Common Shares was down 16.9% on the day at $10.30, ranked #5 on 38.0× its usual five-minute volume, when TapeRank recorded this unexplained move at 07:21 ET during the pre-market session.
THE DAY ON THE LIST · 1 EVENT
- 07:21 ETUNEXPLAINED MOVE · PRE-MARKET
$10.30 · ▼ 16.9% ON THE DAY · 38.0× 5M RVOL · RANK #5
UNEXPLAINEDCONFIDENCE2/5Sigma Lithium shares are down 13.2% pre-market on elevated volume, but the only filing available is a routine 6-K referencing an attached press release with no substantive content described. Without visibility into what that press release actually says, there is no disclosed catalyst that explains a move of this size.
WHYA double-digit percentage decline is being weighed against a filing that only names an exhibit, not disclosed terms or figures, so the news as given cannot account for the move.ANALYZED 08:04 ET · <1 MIN AGO · ANTHROPIC/CLAUDE-SONNET-5THE ROW AND SESSION LEVELS AT 07:21 ET
LAST10.30DAY▼ 16.9%5 MIN▼ 6.53%5M RVOL38.0×5M $VOL$380KFLOAT*112.6MRANK#5SESSIONPRE-MARKETVWAP11.11HOD11.48LOD10.73OR HIGH—OR LOW—PREV CLOSE12.39PM HIGH11.48PM LOW10.73GAP▼ 13.24% (indicated)* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
THE SESSION
- 09:30 ETOpened at $10.78, -13.0% on the previous close of $12.39
- 09:30 ETRegular-session low, $10.20
- 09:37 ETRegular-session high, $11.10
- 15:59 ETLast trade of the regular session, $10.42, -15.9% on the previous close of $12.39
- Volume: 4.6M shares in regular hours, 457K before the open
SGML was already under pressure before the bell, with TapeRank flagging the stock at 07:21 ET down nearly 17% on elevated volume; its 08:04 ET read found only a routine 6-K pointing to an attached press release with no substantive detail, leaving the decline unexplained. The regular session opened at $10.78, down 13% from the prior close, slipped to a low of $10.20 at the open, then bounced to a high of $11.10 by 09:37 ET. Shares faded from there, closing the session at $10.42, down 15.9% on the day, with no halts recorded and no catalyst identified to account for the move.
WRITTEN THU OCT 15 2026 17:43 ET BY ANTHROPIC/CLAUDE-SONNET-5 FROM THE FACTS ON THIS PAGE
FILINGS · 24H BEFORE THE MOVE
- 02:17 ET6-K — Foreign issuer reportSEC 6-K
On the tape right now
WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY
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