Treasuries headed for the biggest weekly gain in five months as slumping commodities prices sparked speculation a slowdown in global growth will revive deflation and delay the Federal Reserve from raising interest rates early. Benchmark U.S. government securities headed for the strongest rally since March as sliding oil prices pushed a gauge of inflation expectations toward a five-year low, enhancing the allure of fixed-income assets. The average yield on developed nation debt fell to the lowest in three months. “Risk-off sentiment has been strong over the past couple of weeks and supporting sovereign debt,” said Tomohisa Fujiki, head of interest-rate strategy for Japan at BNP Paribas SA in Tokyo. “Doubts about Chinese growth fueled concern about slackening global demand and emerging nations, which seems to have helped pave the way for a correction in Treasuries.” The U.S. 10-year note yield fell 14 basis points this week to 2.06 percent […]