Investors are running out of cash -- and that's terrible news for the stock market

AP A growing number of firms are sounding the alarm on investor cash levels that have dropped near the lowest levels in history. Low cash levels are a threat to the ongoing equity bull rally, because it signals that investors are running out of money they can use to keep the market going higher. The stock market has a cash problem. As in, investors are running out of it, and the shortage could threaten the 8 1/2-year equity bull market that we've come to know and love. It's a new reality facing ...