NEW YORK (CNNMoney.com) - The Dow industrials sank below 11,000 for the first time since March Tuesday as investors digested hawkish comments about inflation from a string of Fed officials. The 30-share Dow (down 61.15 to 10,987.57, Charts), the world's most widely watched stock market gauge, fell below the benchmark level in midday trading. The last time the blue-chip index closed below that level was on March 9. Video More video How do U.S. federal interest rates affect your mortgage? CNN's Alan Chernoff does the math. (June 3) Play video The Dow has now tumbled more than 650 points, or...