UNEXPLAINED MOVE · PRE-MARKET · CAPTURED 07:21 ET

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.

WHAT THE ROW LOOKED LIKE

LAST10.30
DAY▼ 16.9%
5 MIN▼ 6.53%
5M RVOL38.0×
5M $VOL$380K
FLOAT*112.6M
RANK#5
SESSIONPRE-MARKET

* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE

AI VERDICT

UNEXPLAINEDCONFIDENCE2/5

Sigma 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-5

FILINGS · 24H BEFORE THE MOVE

SESSION LEVELS AT CAPTURE

VWAP11.11
HOD11.48
LOD10.73
OR HIGH
OR LOW
PREV CLOSE12.39
PM HIGH11.48
PM LOW10.73
GAP▼ 13.24% (indicated)

— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO