** Shares of Australia's exchange operator, ASX ASX.AX, fall 3.3% to A$63.27, hitting lowest since February 12

** Exchange operator falls after all major sub-indexes other than gold stocks trading in red

** Benchmark sub-index .AXJO is set to enter correction territory

** A correction territory is reached when a benchmark drops at least 10% from its last record high

** Australian banking sub-index .AXFJ down 1.4%, leading the losses

** Stock down 2.3% YTD

(Reporting by Rishav Chatterjee in Bengaluru)

((Rishav.Chatterjee@thomsonreuters.com))