Shares of Sigma Lithium (SGML) experienced a decline after a short seller report highlighted potential legal and operational risks associated with the company.

Sigma Lithium reported full-year 2025 results including US$31 million in cash flow and a 47% cash margin in Q4 2025, alongside signing two off-take agreements totaling US$146 million.

Sigma Lithium's stock continued its decline following a short call issued by Blue Orca, raising concerns among investors.

Sigma Lithium has secured a $100 million bank guarantee, a move expected to significantly boost its plans to double production capacity.

Sigma Lithium's stock has seen a significant surge, attributed to an increase in cash flow resulting from recently secured deals.

Sigma Lithium has announced that it will host its 2025 full year earnings presentation call on March 30 at 7:30 AM EST to discuss its financial performance.

Sigma Lithium's stock performance indicates a market reversal is underway, challenging short sellers' positions.

Bicara Therapeutics has announced its Generally Accepted Accounting Principles (GAAP) Earnings Per Share (EPS) at -$0.68, with Q4 earnings call highlights providing further details on its financial performance.

Bank of America reports that operational risk has eased for Sigma Lithium Corporation following the restart of its mining operations.