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Sigma shares drop as Brazil shuts down waste facilities

Waste and tailing piles an “imminent risk”, according to Brazil’s labour ministry

Brazilian newsroom*
Sigma's Grota do Cirilo mine in Minas Gerais, Brazil.

Sigma's Grota do Cirilo mine in Minas Gerais, Brazil. | Credits: Sigma Lithium Resources

Sigma Lithium's share price dropped 13.7% on Friday after Brazilian authorities shut down waste piles at the company's Grota do Cirilo operation in Minas Gerais, Brazil. Shares closed at C$17.21/share...

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