Shares of Ciena Corp. /zigman2/quotes/208745450/composite CIEN -0.71% surged 5.7% in premarket trading Thursday, after the optical networking company reported fiscal first-quarter profit and revenue that beat expectations. Net income for the quarter to Jan. 31 rose to $62.3 million, or 40 cents a share, from $33.6 million, or 21 cents a share, in the year ago period. Excluding non-recurring items, adjusted earnings per share grew to 52 cents from 33 cents, well above the FactSet consensus of 38 cents. Revenue increased 7% to $832.9 million, topping the FactSet consensus of $819.6 million. The stock has run up 14.7% over the past three months through Wednesday, while the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.27% has edged up 0.4%.