Ciena Today CIEN Ciena $64.07 -2.62 (-3.93%) 52-Week Range $39.94 ▼ $66.78 P/E Ratio 61.61 Price Target $61.00 Add to Watchlist Ciena Co. NYSE: CIEN can be considered a legacy company in the computer and technology sector when it comes to the Internet. It was one of the original manufacturers of optical fiber, which provided networking switches and connectivity solutions since 1992. The company has managed to stay relevant, unlike so many internet boom companies, and remains on the cutting edge of the artif ...