Investors have definitely seen some solid trading in Yum! Brands, Inc. ( YUM ) lately, leading to gains for some. However, YUM is now in overbought territory thanks to its latest move, as the firm has an RSI value of 70.7. Additionally, Yum! Brands, Inc. currently has a Zacks Rank #4 (Sell), so if the earnings estimate trend is any guide, a fall might be coming for this overbought stock.