Your Practice. If you want to get away from the roulette wheel of picking companies based on instinct — which rarely pays off — investment clubs are the way to learn how professionals do it. At the very least, if you’re only investing through a k or want to learn more about stock investing, give an investment club a try. Personal Finance Personal finance is all about managing your income and your expenses, and saving and investing. There you have it, whether it be compounding returns or compounding interest, the effects magnify the results. Related Terms Investment Club Definition An investment club is a group of people who pool their money to make investments.