National

After Oprah took to Twitter to share a video detailing how she dropped 26 pounds using Weight Watchers while still eating bread daily, the company’s shares catapulted more than 20 percent, and rose to $13.29 per share.

The OWN founder will join forces with Weight Watchers, with Winfrey taking a seat on the company's board, taking on an advising role and engaging in the company's program.