ISerg Tech stocks have seen a reckoning so far this week, with the Invesco QQQ Trust ETF (QQQ) having fallen by 4% since the start of this week. Not having much exposure to high-flying tech stocks only validates my belief that it's better to have a portfolio of high dividend-paying stocks and add to them whenever their valuations become attractive. That's because having a meaningful dividend makes it easier to hold onto a stock for sleep-well-at-night returns rather than trying to second guess what the mark ...