Dive summary:

• Hershey’s adjusts ad spending and goes from “low double-digit" jump to instead increasing ad spending by 15%.
• Hershey’s spent $463 million on ads in the U.S. in 2011.
• Net sales in the third quarter for Hershey’s were $1.7 billion up from $1.6 billion in 2011.

From the article: 

"We wouldn't continue to be advertising the way we are if we didn't think we were getting a good return on investment," CEO John Bilbrey said on Hershey's third-quarter earnings call.