
Shares in Australia's stock exchange operator ASX ASX.AX gain 3.2% to A$64.97
Stock rises after The Australian reports that JPMorgan has upgraded ASX stock to "overweight"
Report says brokerage noted that ASX has stable earnings profile with potential upside in a volatile market
Adds that brokerage said operating cost control looks to be exceeding FY outlook
Reuters could not immediately secure the research note from JPMorgan
Stock has fallen 0.3%, YTD