Tech ratings changes: VMware, SAP, VeriSign, CommVault

|About: VMware, Inc. (VMW)|By:, SA News Editor

VMware (VMW +2.2%) has been started at Buy by Monness Crespi.

SAP (SAP +2.2%) has been upgraded to Buy by Citi.

VeriSign (VRSN -8.8%) has been cut to Market Perform by Cowen. The downgrade comes as the NTIA announces it will relinquish control of the Internet's domain name management system to an international body. VeriSign insists the move won't affect its operation of the .com and .net registries.

CommVault (CVLT +3.3%) has been upgraded to Buy by Mizuho.

RingCentral (RNG +4.5%) has been started at Outperform by William Blair.

NetScout (NTCT +0.1%) has been cut to Neutral by D.A. Davidson.

RPX (RPXC +3%) has been started at Outperform by Cowen.

Cadence (CDNS +1.4%) has been started at Overweight by Piper.