Sitting on cash after a big stock market loss? Here is what Vanguard, Schwab and nearly a century of data say about lump sum vs monthly investing, plus a simple 7-rule plan to get back in without losing sleep.

Lost money on a hot stock, crypto, a high-fee fund or a scam? Here is why low-cost index funds are built differently, where they can still hurt you, and a simple 7-step plan to start over at any age.