@CNN: Today’s top business headlines with @ChristineRomans before the opening bell: – S&P 500 posts best quarter since 2013 – US-Canada reach last-minute NAFTA deal – Elon Musk steps down as Tesla chairman – Facebook hack exposes 50 million users https://t.co/yDhZGdF3Bu https://t.co/MWsoYmi2Qy

@CNN: Today’s top business headlines with @ChristineRomans before the opening bell:

– S&P 500 posts best quarter since 2013

– US-Canada reach last-minute NAFTA deal

– Elon Musk steps down as Tesla chairman

– Facebook hack exposes 50 million users

https://t.co/yDhZGdF3Bu https://t.co/MWsoYmi2Qy