Analog Devices Shares Rocket Higher Following Barclays Upgrade By: Benzinga via Benzinga March 30, 2015 at 14:23 PM EDT Shares of Analog Devices, Inc. (NASDAQ: ADI) are up about 9.5 percent on Monday's midday, following Barclays' analyst Blayne ... Read More >> Related Stocks: Analog Devices Apple Barclays Plc ADR