*Weight Watchers stocks have suddenly skyrocketed yet again because of Oprah Winfrey. The weight loss company’s shares soared on Wednesday (from $3.68 to $23.05) thanks to her new TV commercial, which has made an emotional impact on viewers. In the spot, past footage of Winfrey working out is shown as the TV icon talks candidly about … Continue reading Weight Watchers Stocks Soar Again with Oprah’s First Ad