UPDATE 1-Wafer maker Siltronic hits 3-year low as U.S. Huawei ban bites By: Reuters: Company News June 18, 2019 at 05:31 AM EDT * Shares down 14% in biggest one-day drop, hit 3-year low (Adds market reaction, context on Siltronic) Read More >> Related Stocks: Apple Broadcom Ltd Intel Corp Qualcomm, Inc.