Weight Watchers stock soars as Oprah takes 10 percent stake in struggling company

Shares of Weight Watchers International Inc. soared Monday morning on news that Oprah Winfrey is taking a 10% stake in the company and joining the firm's board of directors. The company's stock was up $5.86, a whopping 86.3%, to $12.65 in early morning trading. "Weight Watchers has given me the...