As massive companies like Microsoft, McDonald's, Visa and Caterpillar unveil their second-quarter earnings results this week, investors will be looking for further signs that the economy sped up in the second quarter, and is poised to accelerate into the end of the year.

"The earnings picture looks pretty good," said Brian Stutland of the Stutland Volatility Group. "As long as earning keep coming out good, and it's a controlled rally, I think you can remain positive on the market."