Jim Cramer reveals 5 ‘boneheaded mistakes’ he’s made over decades of investing — how you can avoid the costly errors Business Jim Cramer reveals 5 ‘boneheaded mistakes’ he’s made over decades of investing — how you can avoid the costly errors annashay November 5, 2025 Robin Marchant/Getty Images Moneywise and Yahoo Finance LLC may earn commission or revenue through links in the...Read More