On Tuesday, optical communication concept stocks rose broadly, with Marvell Technology (MRVL.US) climbing 7%.
Credo Technology (CRDO.US) and Applied Optoelectronics (AAOI.US) each gained more than 5%.
Corning (GLW.US) advanced more than 4%, while Nokia (NOK.US) rose more than 3%.
POET Technologies (POET.US) added 2%.