San Diego, CA-Based Illumina Had a Blowout 4Q 2017 With Revenues Up 26% Over the 4Q 2016, Gross Profit Up 29%, Operating Income Up 61%, Pretax Income Up 67%, But With Net Income Down By 46% or Down By $50 Mil, But the Latter is Due to the Trump Tax Bill Increasing Illumina's 4Q 2017 Income Tax Expense By $150 Mil