Have you been paying attention to shares of Yum China Holdings (YUMC) ? Shares have been on the move with the stock up 8.8% over the past month. The stock hit a new 52-week high of $52 in the previous session. Yum China Holdings has gained 21.3% since the start of the year compared to the 26.8% move for the Zacks Retail-Wholesale sector and the 7.2% return for the Zacks Retail - Restaurants industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't m ...