Western Digital (WDC) has more room to run, according to BofA. Diane King Hall explains the firm's price target hike and why hard disk drive demand is a key piece to its bullish outlook. Palo Alto Networks (PANW) slid slightly to the downside despite posting strong earnings and guidance. Investors appear to have questions around the company's $3.35 billion acquisition of Chronosphere. In the retail space, Diane notes the massive post-earnings sell-off in Bath & Body Works (BBWI).