LATE BREAK: A report that major central banks would be ready to pump money into the financial system after the Greek elections this weekend gave the stock market a late push higher.

THE DOW: The Dow Jones industrial average jumped 155.53 points to close at 12,651.91 Thursday. That's a gain of 1.2 percent. The Dow jumped 100 points after the report came out then pulled back slightly.

BROAD GAINS: All 10 industry groups in the S&P 500 rose. International Game Technology led the S&P with a 14.3 percent leap, following the company's announcement that it would buy up to $1 billion of its own stock.