Today’s top business headlines with @ChristineRomans: - Trump renews China tariff threat - Global markets react - Uber and Lyft drivers to strike before Uber IPO - 'Avengers: Endgame' dominates global box office https://t.co/W6oFLtBhu6 https://t.co/nQKawC75SS

Today’s top business headlines with @ChristineRomans: - Trump renews China tariff threat - Global markets react - Uber and Lyft drivers to strike before Uber IPO - 'Avengers: Endgame' dominates global box office https://t.co/W6oFLtBhu6 https://t.co/nQKawC75SS (via Twitter http://twitter.com/CNN/status/1125389003128279041)