Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street. On this episode of Stock Movers:- Arista Networks (ANET) shares fell more than 11% in postmarket trading after the company’s forecast for adjusted gross margin in the fourth quarter fell short of the average analyst estimate. - Axon (AXON) drops 20% postmarket after the Taser maker reported disappointing third-quarter adjusted EPS and agreed to buy emergency tech company Carbyne in a deal valuing the company at $625 million. - Advanced Micro Devices (AMD) failed to impress investors with its revenue forecast, with fourth-quarter revenue expected to be roughly $9.6 billion. The company's shares fell about 3% in extended trading following the announcement, after more than doubling this year heading into the earnings report.Read more in CTech: Public safety giant Axon acquires Carbyne for $625 million in cash >> and in YnetGlobal: Axon to buy Israeli emergency communications firm Carbyne for $625 Million >>