Alcoa fortunes bound up with Chinese riddle By Caroline Daniel The glum title of an analyst's note on Alcoa summed up the problems facing the world's largest aluminium producer: "Double Whammy For Double A - Poor Demand And Weak Aluminum Pricing Hampers Earnings Power." <A HREF="http://news.ft.com/servlet/ContentServer?pagename=FT.com/StoryFT/FullStory&c=StoryFT&cid=1033848886686&p=1012571727108" target="_new">http://news.ft.com/servlet/ContentServer?pagename=FT.com/StoryFT/FullStory&c=StoryFT&cid=103...</A>