As you know, the beginning of this year was terrible for many of our accounts because we own Microsoft shares, and I felt like an idiot when it dropped from 579 or whatever price it was to whatever level it reached.
But, as you know, she's back now. I would never have known when to buy it back, even if I had been smart enough to sell it at the top, which is impossible, and then buy it back at the bottom.
My clients' situation would have been much worse. So, you just have to stick to it unless things get grossly overvalued, which, as you know, is possible.