Tech ratings changes: Vipshop, Unisys, Aixtron, RF Micro, TriQuint

|About: Vipshop Holdings (VIPS)|By:, SA News Editor

Vipshop (VIPS -4.1%) has been cut to Neutral by Goldman. Shares blasted off last week in response to the company's Q4 beat and strong guidance.

Unisys (UIS -6.5%) has been cut to Market Perform by Raymond James.

Aixtron (AIXG -1.6%) has been cut to Neutral by BNP Paribas.

As part of a chip sector coverage launch, AppliedMicro (AMCC +1%), TowerJazz (TSEM +1.5%), Neonode (NEON +1.6%), RF Micro (RFMD +1.8%), and TriQuint (TQNT +1.6%) have been started at Buy by Ascendiant Capital.