Nutanix Inc NTNX 1.6% shares have soared 155 percent in the past year, prompting Jefferies to downgrade the cloud stock. The company is scheduled to release fiscal fourth-quarter results after the market close Aug. 30. Analyst John DiFucci downgraded Nutanix from Buy to Hold with a $60 price target. SourceDownside potential takes place. $NTNX, Nutanix, Inc. / D