ciena stock is trading sharply higher thursday after the opticalnetworkinginfrastructure company posted slightly betterthanexpected results for its fiscal fourth quarter ended oct 31 it also unveiled plans for a large stockrepurchase program for the quarter ciena ticker cien reported revenue of 104 billion up 257 from a year ago at the high end of the company’s guidance range of 1 billion to 104 billion and just above the wall street consensus forecast at 103 billion nongaap profits of 85 cents a