Jim Cramer says 'sometimes you have to hold your nose' and buy stocks

While buying stocks in highly volatile periods might not feel like the right move, history often proves it's exactly what investors should do, CNBC's Jim Cramer said Thursday."Sometimes you have to hold your nose and buy," Cramer said on "Mad Money," acknowledging that it's tough to keep your emotions in check. It's also tough because you could see short-term losses before longer-term gains. "When the averages come down too far, too fast, history says you need to be a buyer because when the market gets over ...