Weekly Report: what happened at CIEN last week (0817-0821)?

Last week CIEN had an overall loss of -9.72%, the stock price moved from 438.38 to 395.79, last week's high was 458.00, the low was 382.7450, and the cumulative volume was 10.01M.

Last week's important news

• Ciena Price Target Raised to $500.00/Share From $450.00 by Northland Capital Markets
• Northland Capital Markets Upgrades Ciena to Outperform, Raises Price Target to $500
• Ciena Price Target Cut to $575.00/Share From $675.00 by TD Cowen
• Ciena Is Maintained at Buy by TD Cowen
• TD Cowen Maintains Buy on Ciena, Lowers Price Target to $575