Despite 2017's record-breaking bull market, investors are still keen on finding portfolio allocations constructed to weather the fiercest of fiscal storms. Renowned investor, best-selling author and founder of Bridgewater Associates Ray Dalio created the "All-Weather Portfolio" which he designed with ultimate balance in mind. Dalio tested his portfolio against some of history's greatest market fluctuations to insure his formula for reducing risk while maintaining returns stood the test of time. Dalio spoke with Investopedia Editor-In-Chief Caleb Silver about the four factors he uses to build the all-weather portfolio.