* EU and UK pledge support for Ukraine after Russian military buildup
* China says military exercises near Taiwan will become routine
* US to attend talks in Vienna aimed at reviving Iran nuclear deal,
* Treasury Sec. Yellen wants a minimum global corporate income tax
* Fed will face criticism with easy money policies if economy soars
* GOP Leader McConnell says ‘consequences’ await companies wading into politics
* Tens of thousands of stores at risk of closing, UBS warns
* China is first major economy to create a digital currency
* China service sector expanded at a stronger pace in March
* US ISM Services Index rose sharply in March, reflecting accelerating growth: