YUM has a history of performing after market,when are announced, the direction of the option activity closest to the close. In this case,even though the stock was strong all day,there was a surge in out of the money put buying the last hour prior to close. After , the stock went down about 3 points. Yum also seems to perform the next day,after ,and after the first reaction,to what the option activity was the morning before. The huge call buying the prior morning indicated the stock would rally after the initial negative reaction.