Caterpillar earnings

With corporate earnings season in full swing -- watch for McDonalds, along with Catepillar, Amazon and other -- and with the Fed meeting on interest rates, the GDP estimate and housing numbers coming out -- the week ahead is expected to be quite busy.

The first peak week of reports was just what the market ordered, thanks to some beat-and-raise results from Dow blue chips. This week has more big names on tap. And again, jittery investors will be looking closely, especially for revenue growth. [With video]