Applied Materials falls after dour quarterly revenue forecast

** Shares of Applied Materials AMAT.O fall 10.8% to $167.94 after the bell

** AMAT sees Q4 revenue of $6.70 billion, plus or minus $500 million, whereas analysts expect revenue of $7.33 billion, according to data compiled by LSEG

** "We are currently operating in a dynamic macroeconomic and policy environment, which is creating increased uncertainty and lower visibility in the near term, including for our China business," CEO Gary Dickerson says

** Reports Q1 revenue of $7.30 billion compared to an estimate of $7.22 billion

** AMAT has risen nearly 16% YTD