3 Unstoppable Investments Everyone Needs in Their Portfolio

Has your portfolio slowly drifted away from the well-rounded collection of stocks you meant to own when you first started investing? If so, you're not alone. The past two-and-a-half years have been a wild time for the market, and it's been all too easy to shed solid, reliable holdings for something scintillating but speculative.

If that's you, don't sweat it -- there's hope for rebuilding your holdings into something that makes much more long-term sense. Here's a rundown of three proven, unstoppable investments that would work well as part of nearly anyone's portfolio.

By most accounts, Costco Wholesale (NASDAQ: COST) shouldn't be thriving. It doesn't offer anything rival retailers like Target, Kroger, and Walmart don't, and none of those retailers charge customers a membership fee just to shop in their stores.

Source Fool.com