Lithium stocks jumped in morning trading. Sigma Lithium rose 13%; Lithium Argentina rose 7%; Albemarle and Sociedad Quimica Y Minera De Chile SA rose 5%; Standard Lithium and Lithium Americas rose 3%.
Optical communication stocks mixed in morning trading. Lumentum rose 5%; Coherent rose 4%; Semtech rose 2%; Applied Optoelectronics rose 1%; while Ciena fell 2%; Corning fell 4%; Fabrinet fell 5%; Credo Technology fell 8%.