U.S. stock indexes stumbled through midday trading Monday as worries over the European debt crisis worried investors. The Dow Jones industrial average was at 12,488.73 points, down 168.47, or 1.33 percent at midday. The Nasdaq was off 55.56 points, or 1.94 percent, at 2,804.25. The Standard & Poor\'s 500 was at 1,319.30, down 24.42 points, or 1.82 percent. Eurozone worries expanded beyond Greece Monday as a fears about Italy\'s debt triggered a 3.5 percent drop in Italy\'s FTSE MIB index, The Wall Street Journal reported. The FTSE MIB is the benchmark stock market index for the Borsa Italiana, the Italian national stock exchange. Spain entered the mix after the leader of the Castilla La Mancha region said the area\'s government has a budget deficit more than twice as large as once thought. The 10-year treasury note was 2,9460 percent. The euro fell to $1.4031 from Friday\'s $1.4258. Against the yen, the dollar fell to 80.3500 yen from Friday\'s 80.6100 yen. In London, the FTSE closed at 5,929.16 points, off 61.42. In Tokyo, Nikkei Average finished trading 10,069.53, down 68.20 points.