(Bloomberg) — Qualcomm (QCOM) Inc., the largest maker of smartphone processors, became the latest chipmaker to deliver an upbeat forecast and still leave investors underwhelmed. Most Read from Bloomberg Though the company’s sales and profit forecasts handily topped Wall Street estimates on Wednesday, its stock slipped as much as 3% in the following day’s trading. It’s become a familiar story. Advanced Micro Devices Inc. also failed to impress investors with a strong revenue outlook this week. The compa ...