Sigma Lithium shares surge 14.78% intraday as lithium sector gains momentum and Grota do Cirilo mine resumes operations after four-month upgrade pause.

Sigma Lithium surged 14.78% intraday as the lithium sector strengthened and the company resumed operations at its Brazil Grota do Cirilo mine after a four-month pause for equipment upgrades and supplier changes. Additionally, the company announced a $140/ton sale of 100,000 tons of high-purity lithium concentrate with 1% lithium oxide, providing revenue support.