Stocks to watch on the Australian stock exchange:

ANZ – ANZ BANKING GROUP – down 47.5 cents, or 1.7 per cent, at $27.245

CBA – COMMONWEALTH BANK – down 75.5 cents, or 1.1 per cent, at $69.595

NAB – NATIONAL AUSTRALIA BANK – down 24 cents, or 0.9 per cent, at $26.79

WBC – WESTPAC – down 48.5 cents, or 1.7 per cent, at $27.925

Political turmoil in Italy has sparked concerns about the stability of the euro zone, which has led investors to safe-haven US bonds and pulled 10-year bond yields lower, in turn spurning losses for US banks. Shares of large US banks also fell overnight because of downbeat guidance from JPMorgan Chase & Co and Morgan Stanley.

REA – REA GROUP – down $2.31, or 2.5 per cent, at $88.60

The competition watchdog says it will not intervene in the real estate advertiser’s purchase of property data service Hometrack Australia.

WTC – WISETECH GLOBAL – down 43 cents, or 2.9 per cent, at $14.19

The global logistics software group is buying a US transport management firm that provides integrated quoting, booking and tracking.