BREAKING: Stocks Open Mixed As Amgen, McDonald's Prop Dow Qualys (QLYS) stock jumped Wednesday amid third-quarter earnings and revenue that topped estimates while the cybersecurity firm's revenue guidance came in above expectations. The earnings report was released after the market close on Tuesday. "Our overall take is that Qualys delivered stronger results this quarter based on the insights from its bundling and packaging offerings," said William Blair analyst Jonathan Ho in a report. "The company is gai ...