Sigma Lithium Corporation's stock surged 14.05% during the pre-market session. The significant move follows the company's announcement of major new contracts and strengthened financial metrics.

The lithium producer secured two offtake agreements totaling $146 million to supply high-grade premium lithium oxide concentrate. This includes a $96 million prepayment agreement for deliveries in 2026 and a second $50 million prepayment deal for a three-year supply starting in 2026. These agreements are expected to contribute significantly to the company's cash inflows in the coming quarters.

Furthermore, the company reported robust financial improvements, having generated $31 million in cash from operations in the previous quarter and reducing its trade finance debt by 60% in 2025 compared to 2024. Total company debt declined by 35%, showcasing a stronger balance sheet. These combined positive developments regarding future revenue visibility and financial health are the primary drivers behind the stock's pre-market rally.