Conventional wisdom says that what goes up must come down. But even if you view market volatility as a normal occurrence, it can be tough to handle when your money is at stake. Though there's no foolproof way to handle the ups and downs of the stock market, the following common-sense tips can help. Don't put all your eggs in one basket Diversifying your investment portfolio is one of the key tools for trying to manage market volatility. Because asset classes often perform dif