Australian shares rally to another record high

The Australian Stock Exchange (file image)
The ASX200 finished 18 points above its previous all-time closing high set on October 17. -AAP Image

The Australian share market has rallied to another all-time high after its fourth straight day of gains. 

The benchmark S&P/ASX200 index rose 73.8 points, or 0.89 per cent, to 8,374 on Tuesday, finishing 18 points above its previous all-time closing high set on October 17.

Around 3pm the index also rose above 8,400 for the first time ever, climbing as high as 8,446.4 before dipping a bit in the final hour of trading.

The broader All Ordinaries on Tuesday gained 74.8 points, or 0.87 per cent, to 8,629.2.

Every sector gained ground, with tech the biggest gainer with a 3.1 per cent rise.

In currency, the Australian dollar was buying 65.04 US cents, from 64.64  US cents at Monday's ASX close.