From Reuters.com
The day ahead: Tuesday
Earnings season is in full swing with results expected from Caterpillar, Yahoo, Pfizer and Coca-Cola.
* In its first quarterly earnings report since announcing the Microsoft search deal, Yahoo will provide important updates about its core display advertising business.
* Heavyweight manufacturers United Technologies and Caterpillar report quarterly results.
* Coca-Cola will shed light on the state of worldwide consumer spending when the world’s top soft-drink maker reports third-quarter results.
