An incredible rally last week in the great junk race as bond yields fell. Shares of mostly money-losing tech companies ARK Innovation ETF ARKK rose 19% last week, while shares of regional banks SPDR S&P Regional Banking ETF KRE rose 12%. Also showing strong growth was a group of so-called lottery stocks, although they included WeWork (WE), which could go to zero, which is why they are called lottery stocks. “We believe the rally in stocks over the past week was largely the result of falling Treasury yields,” Wilson says. And that drop, he said, was driven more by...