Futures rising as heart of earnings season begins

Futures sharply higher to open week in which a third of the Dow Jones posts earnings

In this Tuesday, April 16, 2013, photo, Trader Peter Costa works on the floor of the New York Stock Exchange. World markets rose higher Monday, April 22, 2013 with Tokyo stock markets heading close to a five-year high after a meeting of global finance leaders lent support to Japan's aggressive monetary policy. (AP Photo/Richard Drew)

NEW YORK (AP) -- Futures are rising to start a week in which a third of the Dow Jones Industrial Average reports quarterly earnings.

Dow Jones industrial futures are up 48 points to 14,518. S&P futures have added 5.9 points to 1,553.50. Nasdaq futures are up 14.25 points to 2,782.50.

Monday offered a mixed scorecard. Hasbro and Halliburton beat Wall Street expectations. Caterpillar, a big bellwether for economic growth, slid in premarket trading after a tough quarter. It also cut its outlook for the year.

Earnings only heat up from here.

Netflix posts earnings after the bell Monday and on Tuesday, DuPont, AT&T, US Airways and Apple report.

The National Association of Realtors reports March sales of previously-owned homes on Monday. Economists expect sales rose to just over 5 million.