Ciena (CIEN) shares were up 2.8% in Monday trading after Evercore ISI upgraded the company's stock to outperform from in line and adjusted its price target to $550 from $375.
Trading volume stood at over 1.8 million shares against a daily average of about 2.5 million.
Price: $358.61, Change: $+9.81, Percent Change: +2.81%