** U.S. traded shares of Chinese companies were rallying sharply on Monday after China's Politburo was quoted saying it will adopt an "appropriately loose" monetary policy next year, representing the first easing of its stance in some 14 years, alongside proactive fiscal policy to spur economic growth ** Following the remarks, reported by state media Xinhua, ahead of annual Central Economic Work Conference, stocks jumped in Asia with Chinese shares in Hong Kong adding 3%

** Optimism extended to the U.S. trading day with Chinese companies U.S. listed shares rallying: Alibaba up ~8%, JD.com gaining 12% and PDD Holdings rising ~11%

** EV firms Li Auto up almost 11%, Nio advancing 13.8% and Xpeng rising ~15%

** Gaming stock Bilibili advancing 21%, video platform iQIYI jumping 13%, Baidu up 9.5% and Tencent Music up 4.6%, Weibo rising ~9%

** Chinese ETFs rise: iShares MSCI China ETF up 8.5%, KraneShares CSI China ETF gains ~11% and iShares China Large-Cap ETF rises ~9%

** Casino operators with properties in Macau also rising: Melco Resorts up 8.8%; Wynn Resorts , Las Vegas Sands both up ~3%, MGM Resorts up ~2%

(Reporting By Sinéad Carew, Lance Tupper) ((mailto:sinead.carew@thomsonreuters.com; +13322191897;))