Order does not affect plans to restart production, firm says Bank of America downgraded Sigma shares, causing 15% drop Sigma still fighting former co-CEO in court over mining rights RIO DE JANEIRO, ...

Brazil’s Labor Ministry has shut down three waste piles at Sigma Lithium’s flagship mine in the state of Minas Gerais, citing a “grave and imminent” risk to workers and the local community, according ...

Fears of a tighter lithium supply from China are driving up prices. Sigma Lithium could greatly benefit as it adjusts sales volumes to capitalize on higher prices. The lithium stock is up only about ...

China is canceling old lithium mining licenses, mostly for non-operational mines. Chinese lithium prices spiked on the news, pushing lithium stocks higher today. The Bureau of Natural Resources in ...

DENVER (KDVR) — The University of Colorado Boulder said that one of its fraternities was suspended Thursday after receiving “credible reports” of hazing. The university said that it received a ...

Two Sigma Investments launched a hedge fund that jumps on one of the hottest trends in wealth management: minimizing taxes. The quantitative firm debuted Two Sigma Beacon Fund this year, a so-called ...

Alt5 Sigma told regulators it learned in November its accountant had resigned, but the accountant says he stepped down three months earlier — a fresh discrepancy that marks the second apparently ...

In a newly filed lawsuit, the parents of 18-year-old University of Texas freshman Sawyer Updike say months of violent hazing inside Sigma Chi Fraternity’s Alpha Nu chapter pushed their son into a deep ...

Sigma Performance Services Racing, which has run a part-time ARCA Menards Series program over the last couple of seasons, is leaping to go full-time NASCAR O'Reilly Auto Parts Series racing in 2026.

Sigma Lithium is rated a buy due to its strong focus on cost control and cash flow management amid capacity expansion. SGML benefits from improved lithium prices and operational efficiencies, ...

Sigma Star Saga DX is a refined version of the unique 2005 adventure / RPG / shoot ’em up hybrid. Newly updated for the game’s 20th anniversary, Sigma Star Saga DX retains all of the gameplay and ...

Questyle’s Sigma Pro ($899) and Sigma ($599) portable DAC with headphone amplifiers offer Current Mode Amplification, Bluetooth LE, and LDAC. Previewed at CanJam London 2025, the new Questyle Sigma ...