Here’s what’s been happening on Wall Street overnight

Welcome to Finance Insider, Business Insider’s summary of the top stories of the past 24 hours. Sign up here to get the best of Business Insider delivered direct to your inbox.

And then there was one.

Harvey Schwartz, one of the two men considered as the potential successor to Goldman Sachs CEO Lloyd Blankfein, is retiring next month, the bank announced Monday.

That leaves David Solomon, who shares the titles of president and chief operating officer with Schwartz, as the sole contender to replace Blankfein when he steps down as early as this year.

Blankfein briefed the Goldman Sachs board in February on the position of his potential successors, according to a person familiar with the matter. In that meeting, he identified Solomon as the man best placed to replace him, according to the person.

In other news, there’s been a big shakeup at the top of Citigroup’s stock trading business. Wall Street’s gotten obsessed with how Amazon could upend everything.

In deal news, we got an inside look at CVS’ $US40 billion bond deal, one of the biggest of all time, from the lead bankers’ perspective. And Dropbox is seeking a$US7.5 billion valuation in its coming IPO
In markets news, people are freaking out about a trade war – but the stock market is saying something else. And there’s a suspicious burst of taxi rides to and from Wall Street banks and the NY Fed around the time of key Fed meetings
In crypto news:

Lastly, Business Insider on Sunday published the untold story of Uber’s infighting, backstabbing, and multimillion-dollar exit packages.