June 21 (Reuters) - Sigma Lithium Resources Corporation:
* SIGMA LITHIUM RESOURCES TO TRADE UNDER NEW NAME, CONSOLIDATES SHARES 10:1 AND APPOINTS CFO
* SIGMA LITHIUM RESOURCES CORP SAYS ANNOUNCES APPOINTMENT OF GUILHERME GUIMARAES TO CFO
June 21 (Reuters) - Sigma Lithium Resources Corporation:
* SIGMA LITHIUM RESOURCES TO TRADE UNDER NEW NAME, CONSOLIDATES SHARES 10:1 AND APPOINTS CFO
* SIGMA LITHIUM RESOURCES CORP SAYS ANNOUNCES APPOINTMENT OF GUILHERME GUIMARAES TO CFO