On Friday, shares in the optical communications sector traded mostly higher.

Coherent (COHR.US) led the advance, rising more than 7%.

Lumentum (LITE.US) followed with a gain of nearly 4%, while Marvell Technology (MRVL.US) was up over 2%.

In contrast, Applied Optoelectronics (AAOI.US) edged down slightly, falling 0.31%.