Jitters over the political crisis in Italy has spread to Wall Street, with the S&P 500 and the Dow Jones suffering their biggest one day percentage drop in a month on Tuesday.<br />The Dow fell nearly 1.6 percent and the S&P 500 was down nearly 1.2.<br /> A failed attempt to form a new government has raised the prospect of new elections.<br />This could see eurosceptic parties strengthening their position and further raising concerns over the eurozone's stability.<br />The plunge on Wall Street came after Italy's FTSE MIB closed nearly three percent lower, with other main markets in Europe shedding well over one percent. <br />
