Jim Cramer: I Cannot Believe I Have to Defend Something as Simple as Prudence These younger investors think it's a sin to sell no matter how much money has been made. Prudence is a virtueOnly in this business is that concept under attack these days and it's got me all steamedI cannot believe I have to defend something as simple as prudenceYet this is what the investment world's coming to and I don't like it so we're going to talk about the notion that being prudent when it comes to your money is a virtue not a ... Today's Real Money content from Jim Cramer will be available after 7pm ET.