The stocks are falling! The stocks are falling!

The stock market giveth, and the stock market taketh away. After a year of booming valuations and record-smashing highs, the stock market has been tumbling for days. The Dow Jones Industrial Average, the S&P 500, and the Nasdaq all weakened last week, and then nosedived on Friday, with the Dow plummeting more than 660 points. It was the Dow's worst day since the summer of 2016. It seemed like things couldn't get much worse. Then Monday rolled around, and stocks went into a catastrophic...