Sigma Lithium Corporation (SGML) Stock Sinks As Market Gains: Here's Why

By Zacks Equity Research | October 27, 2025, 6:15 PM

Sigma Lithium Corporation (SGML) closed the most recent trading day at $5.62, moving -6.64% from the previous trading session. This change lagged the S&P 500's daily gain of 1.23%. Elsewhere, the Dow saw an upswing of 0.72%, while the tech-heavy Nasdaq appreciated by 1.86%.

Shares of the company have depreciated by 14.37% over the course of the past month, underperforming the Basic Materials sector's loss of 1.98%, and the S&P 500's gain of 2.45%.

Market participants will be closely following the financial results of Sigma Lithium Corporation in its upcoming release. The company plans to announce its earnings on November 14, 2025. It is anticipated that the company will report an EPS of -$0.08, marking a 65.22% rise compared to the same quarter of the previous year. Meanwhile, the Zacks Consensus Estimate for revenue is projecting net sales of $64.7 million, up 212.11% from the year-ago period.

Looking at the full year, the Zacks Consensus Estimates suggest analysts are expecting earnings of -$0.29 per share and revenue of $182.7 million. These totals would mark changes of +36.96% and +20.12%, respectively, from last year.

Investors might also notice recent changes to analyst estimates for Sigma Lithium Corporation. These revisions typically reflect the latest short-term business trends, which can change frequently. As a result, we can interpret positive estimate revisions as a good sign for the business outlook.

Our research demonstrates that these adjustments in estimates directly associate with imminent stock price performance. Investors can capitalize on this by using the Zacks Rank. This model considers these estimate changes and provides a simple, actionable rating system.

The Zacks Rank system ranges from #1 (Strong Buy) to #5 (Strong Sell). It has a remarkable, outside-audited track record of success, with #1 stocks delivering an average annual return of +25% since 1988. Over the past month, there's been a 28.89% fall in the Zacks Consensus EPS estimate. Right now, Sigma Lithium Corporation possesses a Zacks Rank of #3 (Hold).

The Mining - Miscellaneous industry is part of the Basic Materials sector. This group has a Zacks Industry Rank of 49, putting it in the top 20% of all 250+ industries.

The Zacks Industry Rank is ordered from best to worst in terms of the average Zacks Rank of the individual companies within each of these sectors. Our research shows that the top 50% rated industries outperform the bottom half by a factor of 2 to 1.

Don't forget to use Zacks.com to keep track of all these stock-moving metrics, and others, in the upcoming trading sessions.

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This article originally published on Zacks Investment Research (zacks.com).

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