Tech ratings changes: ServiceNow, Aruba, Barracuda, Hollysys

|About: ServiceNow (NOW)|By:, SA News Editor

ServiceNow (NOW +0.9%) has been upgraded to Overweight by Evercore. Shares fell 11% yesterday as part of a brutal selloff in high-beta enterprise tech names.

Aruba Networks (ARUN +2.9%) has been started at Outperform by Northland as part of a networking hardware sector launch.

Barracuda Networks (CUDA +3.2%) has been started at Outperform by Imperial Capital.

Hollysys Automation (HOLI +0.4%) has been started at Outperform by Credit Suisse.