Euro weakens broadly; S&P 500 erases 2011 gains

NEW YORK (Reuters) - The euro weakened about 1 percent against the dollar and the yen on Wednesday, one day before an important auction of long-dated Italian debt, while U.S. stocks slid more than 1 percent on concerns about the economy in early 2012. The European single currency hit a fresh 11-month low against the dollar of $1.291 and a 10-year low against the yen as data showed banks were hoarding the cash recently injected by the European Central Bank rather than lending it out - a bad omen for the European economy in 2012. ...