BUZZ-Qualcomm falls on downbeat quarterly profit forecast

** Smartphone chipmaker Qualcomm's QCOM.O shares fall ~4% to $149.93 in extended trading

** Co expects Q4 rev between $9.7 billion and $10.5 billion, vs. analysts' avg. estimate of $10.02 billion - data compiled by LSEG

** Expects Q4 adj. EPS between $2.05 and $2.25, compared with estimates of $2.36

** Q3 rev drops 4% to $9.95 billion, vs estimates of $9.67 billion

** Q3 adj. EPS comes in at $2.21, missing estimates of $2.23

** As of Wednesday's close, stock has fallen ~9% YTD