(TheAustralian) - AUSTRALIA'S largest wine company could soon be in foreign hands, with institutional investors predicting Treasury Wine Estates -- owner of some of the country's most famous wine labels -- is ripe for a takeover offer with a potential bidding war netting up to $4.2 billion. And while global wine players would undoubtedly be interested in TWE's portfolio of premium labels, including Penfolds, investors from China -- the world's fastest-growing wine market -- are likely to lead the charge.