Barclays Negative On Optical, Downgrades Finisar, Lumentum By: Benzinga via Benzinga January 08, 2016 at 08:48 AM EST Finisar Corporation (NASDAQ: FNSR) shares are up 16 percent since October 8, while shares of Lumentum Holdings Inc (NASDAQ: LITE) ... Read More >> Related Stocks: Finisar Corp Lumentum Holdings