TOKYO :A global slide in long-dated bonds extended into Asia on Wednesday, while gold climbed to a new peak as concerns mounted over government debt and economic growth. The 30-year Japanese government bond (JGB) yield hit an unprecedented 3.255 per cent, following a run-up in similarly dated gilts and Treasuries overnight. Japan's Nikkei gauge of shares opened lower, following declines on Wall Street after data showed a continued contraction in U.S. manufacturing. Attention turns to services