That stickiness, helped along by the introduction of federal deposit insurance after the Great Depression, has greatly reduced bank runs. But there’s a new tech-driven wrench in this classic ...

Your money is insured. CD accounts are insured for up to $250,000 by the Federal Deposit Insurance Corporation — or the National Credit Union Administration, if your CD is with a credit union.

The default cash sweep offers a competitive yield, but it’s a money market fund, so it’s not directly insured by the Federal Deposit Insurance Corp. (FDIC) like a bank deposit. Who It’s Best ...