Still stuck trying to outguess the market? Deciding what to buy, when to get in, and when to get out can get expensive quickly. It’s also a losing game for the regular investor. But, what about the pros? Are they consistently outperforming?  

Every year, Dimensional compares the long-term performance of US-based mutual funds. This 2-min video breaks down the results. It turns out fewer professional fund managers outperform their benchmark than would be expected through luck alone. The takeaway: Being a better market guru than the gal next to you is not a way to reliably, repeatably win.