ETF IQ: Who Actually Wants a Leveraged Warren Buffett Fund?

Welcome to ETF IQ, a weekly newsletter dedicated to the $14 trillion global ETF industry. I'm Bloomberg News reporter and anchor Katie Greifeld.

This newsletter has spilled a lot of ink over all the wacky ideas that have made it into the single-stock ETF wrapper. Here’s another one: one of South Korea’s largest retail brokerages has teamed up with Milwaukee-based Tidal Investments to create a double-leveraged fund tracking Class B shares of Warren Buffett’s Berkshire Hathaway Inc.