Switching gears entirely, I want to touch upon the topic of short selling, whether via individual stocks, or by inverse exchanged traded funds that track an index or sector. There’s nothing wrong with playing the short side, but remember a few key points if you do. First, write this down on a sticky note and tape it to your computer monitor: “Stocks take the stairs on the way up and the elevator on the way down”–i.e., stocks fall a lot faster than they rise. That means that your timing has to be very precise on the short side; if...