As we approach the summer months, there are a lot of reasons for investors to be worried: inflation, taxes, the deficit, and on and on. I am hearing quite a bit about reasons not to be cheerful, some of which we’ve talked about in other posts. But because of where we are in the calendar, there is one more making the rounds—the old market chestnut “sell in May and go away”—that I want to talk about today. The short response to this adage, for readers in a hurry, is “don’t.”