Earnings Preview: NASDAQ, Northrop Grumman, Novartis, P&G

Several big companies are reporting earnings before the market opens on Wednesday. Here’s a look at five of the big companies reporting tomorrow morning, Nasdaq OMX Group Inc. (NASDAQ:NDAQ), New Oriental Education & Tech Grp (ADR) (NYSE:EDU), Northrop Grumman Corporation (NYSE:NOC), Novartis AG (ADR) (NYSE:NVS), and The Procter & Gamble Company (NYSE:PG).

Nasdaq OMX Group Inc. (NASDAQ:NDAQ): The stock exchange company will report Wednesday morning before the market opens. Analysts are looking for earnings of 62 cents per share on revenue of $419 million. In the same three months of  2012 the company earned 61...