Qualcomm (QCOM) drops 6% premarket following weak Q4 earnings guidance amid smartphone headwinds and lower Apple revenue forecasts.

QCOM to release Q3 earnings on July 29 with expected EPS of $2.22 and revenue of $9.67B. Recent collaboration with Samsung. Analysts rate QCOM highly.

July 29 : Qualcomm forecast fourth-quarter profit below Wall Street estimates on Wednesday, and said revenue from Apple products would decline faster than expected as supply…