The entire US yield curve plunged below 1% for the first time ever. Here's why that's a big red flag for investors.

5:01am PDT - March 9th, 2020    federal reserve - Business Insider

Investors bought up US government bonds on Monday in response to the growing coronavirus threat and signs of a brutal price war between oil producers. The entire US Treasury yield curve fell below 1% for the first time ever as yields on the benchmark 10-year …