America's raggedy economic fundamentals

What on Earth is happening to the stock market? The business world was riveted Monday by a good old-fashioned crash, as the Dow Jones Industrial Average plunged by over 1,100 points. Then it was captivated Tuesday by a good old-fashioned rally, when the Dow surged to close up 568 points. Americans, still scarred by the 2008 crash, have watched these wild swings with trepidation. Are these the first tremors of another market collapse? Nobody knows for sure. But like clockwork,...