Boeing's 737 Max jet crisis escalates. Amazon restricts sellers from using Fedex citing performance issues. Joining us today, the CFO of Twitter.

Julia Chatterley is live from The New York Stock Exchange. Here are some of the top business stories for today! Production suspended! Boeing's 737 Max jet crisis escalates. Sub-prime delivery? Amazon restricts sellers from using Fedex citing performance issues. Tweeting up a storm! We are joined live by the CFO of Twitter. It's Tuesday, let's make a move.

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