[Australian Government Bond Yields Rise to Highest Levels Since 2011] BlockBeats News, September 11: Influenced by the escalation of tensions in the Middle East driving up oil prices, U.S. Treasury bonds suffered a sharp decline overnight, leading to a drop in Australian government bonds as well. The yield on Australia's 3-year government bonds surged by 18 basis points to 5.03%, while the yield on 10-year government bonds jumped 13 basis points to 5.38%, both reaching their highest levels since May 2011.