We are now in another downswing in the ongoing bear market. Using the S&P 500 as a measure, as I write this the markets are down 22 percent from the peak at the end of last year and just under 14 percent from the end of the most recent rally in August. This year, there have been four drops and three rallies—and we are down quite a bit. That doesn’t feel good. But, feel good or not, here we are. So, the real question is: what should we do about it? To figure that out, we need to look at two things.