(Image credit: Whole Foods Market)

Even though Whole Foods' sales went up this past quarter, share prices have fallen dramatically.

With organic kale in every corner Walmart, and competitors like Sprouts growing, can Whole Foods maintain its hold on its loyal fan base of shoppers?

Expect a big marketing campaign (and price cuts) this fall from the grocery chain.

Read more: Can Whole Foods Escape Its “Whole Paycheck” Image? by Alison Griswold at Slate