San Jose, CA-Based Align Technology Had a Blowout 4Q 2017 With Revenues and Gross Profit Both Up 44% over the 4Q 2016, Operating Income Up 60%, Pretax Income Up 84% But With Net Income Down By 78% or By Down By $37 Mil, But the Latter is Due to the Trump Tax Bill Increasing Align Technology's 4Q 2017 Income Tax Expense By $87 Mil