Oprah Winfrey's Weight Watchers Twitter Post Sends Stock to 16% Increase
 

Since Oprah Winfrey joined forces with Weight Watchers in a business collaboration, things have been looking up for the company and it's stock. On Tuesday, WInfrey proved just how influential she is for the company's marketing strategy when she posted a Twitter message about her weight loss, increasing Weight Watchers' stock by 16%.

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