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 ...

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 ...

Sigma Lithium is positioned for a turnaround as lithium market fundamentals improve, with spodumene prices up 38% YTD and supply discipline returning. SGML’s fragile liquidity, negative cash flow, and ...

Alt5 Sigma, a crypto firm deeply tied to the Trumps’ World Liberty Financial, disclosed ousting its acting CEO, removing its operations chief and accepting the resignation of a director in a filing ...

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 ...

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Delta-sigma (ΔΣ) converters may sound complex, but at their core, they are all about precision. In this post, we will peel back the layers and uncover the fundamentals behind their elegant design. At ...

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 transitioning from a development story to an operating miner, showing consistent execution and cost control during the lowest point of the lithium cycle. Q2 2025 results confirmed ...

The wife of Two Sigma Investments co-founder John Overdeck is claiming members of the quantitative hedge fund firm’s staff helped her husband shield billions of dollars in assets from divorce ...