Speculative investors ratcheted up bearish Australian dollar wagers to the most on record after jitters around China hammered risk sentiment. An aggregate gauge of investor positioning in the Aussie — net non-commercial futures and options positions — showed the most selling pressure since at least 1995, according to Commodity Futures Trading Commission data for the week to March 19. The bets come amid worsening sentiment toward China as investors question whether policymakers are doing enough to boost its fragile economy. Beijing further dented optimism on Friday after loosening its vise-like grip on the yuan. This ... (full story)