S&P/ASX 200 ends flat, Rio Tinto, CBA fall, AMP, QBE, Telstra, NAB, Mirvac report

The ASX 200 has ended the trading session at a record high daily close as falls in Rio Tinto, CBA and AGL were offset by insurers QBE and IAG. Telstra unveils $1.35bn buyback.

The ASX 200 has set a series of closing records in recent days. Picture: Jeremy Piper

Welcome to the Trading Day blog for Thursday, August 12. The ASX 200 closed steady as Rio Tinto and CBA dropped but insurers rose. 

The S&P 500 added 0.3 per cent, the Dow rose  0.6 per cent and the Nasdaq slipped 0.2 per cent. European and Asian markets closed higher.

AMP has reported higher investment performance and QBE has returned to profit. Telstra announces $1.35bn buyback. NAB has reported Q3 net profit of $1.65bn. Mirvac hits highest number of residential sales since fiscal 2016. Myer back in black.