Amgen (AMGN) shares sold off after Novartis (NVS) failed to meet its primary endpoint in phase-3 trials. Diane King Hall offers more insight into the volatile moves in the healthcare space. Bloom Energy (BE) opened the trading session with a rally after the company was selected to join the S&P 500 (SPX). Diane turns to the cybersecurity space and explains Phillip's downgrade on Palo Alto Networks (PANW).