A decade after the financial crisis, The Wall Street Journal has checked in on dozens of the bankers, government officials, chief executives, hedge-fund managers and others who left a mark on that period to find out what they are doing now. Today, we spotlight economist Nouriel Roubini and analyst Meredith Whitney. Ten years ago, she was one of Wall Street’s best-known analysts, credited with foreseeing the calamity that would lay waste to some of the nation’s biggest banks. Now old phone...

The Amplify Transformational Data Sharing ETF, an actively-managed fund with the ticker BLOK, raised $121 million in its first week on the market, trading 2.2 million shares a day Tuesday, according to FactSet. The Reality Shares Nasdaq NexGen Economy ETF, with the ticker BLCN, has raised $57.9 million, with more than 900,000 shares traded Tuesday. By comparison, other ETFs launched since October trade an average of only 15,000 shares a day, according to an analysis from FactSet. “It’s been a...

“You can understand the SEC’s point of view,” said Eric Ervin, chief executive officer of Reality Shares, one of the firms that had to change the name of its ETF. “There are a lot of retail mom-and-pop investors buying anything blockchain without really understanding what’s in it.” As a result of the SEC’s prohibition, the Reality Shares Nasdaq Blockchain Economy ETF will be called the Reality Shares NexGen Economy ETF and the Amplify Blockchain Leaders ETF will instead be named the Amplify...