Updates
** Shares of rare earth metals producers rise after China tightens export controls
** Thursday's announcement follows U.S. lawmakers' call for broader bans on the export of chipmaking equipment to China and expands on sweeping controls Beijing announced in April
** China produces over 90% of the world's processed rare earths and rare earth magnets
** Shares of Critical Metals CRML.O surge nearly 18% to $13.86 and Ramaco Resources METC.O up 11%.
** Shares of NioCorp Developments gain 5.5%, while Trilogy Metals TMQ.TO, MP Materials MP.N and USA Rare Earth USAR.O rise over 4%
** VanEck Rare Earth and Strategic Metals ETF REMX.P up 1%
(Reporting by Vallari Srivastava in Bengaluru)
((Srivastava.Vallari@thomsonreuters.com;))