Asia-Pacific markets fell on the holiday-shortened and final trading day of the year.Markets in Hong Kong and Australia will close early for the holidays, while Japan and South Korea are shut for the day.Australia's S&P/ASX 200 fell 0.17%.Hong Kong's Hang Seng index declined 0.42%, while the mainland CSI 300 was flat.The MSCI All Country World Index, which measures the performance of over 2,500 large and mid-cap equities from developed and emerging markets, has climbed over 21% since the start of the year, ...