Artificial intelligence chipmaker Broadcom stock slipped 4% after market hours on 11 December amid concerns over its AI product order backlog, narrower profit margins, and no revenue forecast for 2026, Bloomberg reported.Broadcom Inc. Is competing against Nvidia for a share of the AI chips market, and earlier in the day rose due to earnings beating investor expectations.Why is the Broadcom stock down?Broadcom's shares slipped close to 4% on 11 December, despite rising earlier in the day, after investors wer ...