Zep (ZEP), a maker of pet cleaners and disinfectants, announced that net income in the second-quarter increased by 17 percent.

FORBES: Weekly Market Wrap

"I think people have figured out that first and foremost if you exclude pet owners, you're excluding a large number of high net-worth people and prospective buyers, " Mr. Marrow said.

WSJ: Where Dogs Rule the Roost