Ciena (CIEN) shares were up 4.5% in recent Tuesday trading after J.P. Morgan upgraded the company's stock to overweight from neutral and adjusted the price target to $88 from $84.
Trading volume was more than 3.1 million shares, exceeding the daily average of about 2.1 million.
Price: 79.75, Change: +3.46, Percent Change: +4.54