At noon AEDT on Friday, the benchmark S&P/ASX200 index was up 35.8 points, or 0.43 per cent, to 8,241.3, while the broader All Ordinaries had gained 44 points, or 0.52 per cent, to 8,497.9.
On Wall Street, Tesla shares surged 21.9 per cent - their best performance in more than a decade - after the electric-vehicle maker reported better-than-expected earnings and CEO Elon Musk predicted up to 30 per cent sales growth next year.
Moomoo market strategist Jessica Amir said Tesla's earnings and Netflix's last week was fuelling optimism that other US tech giants such as Alphabet, Apple, Meta and Microsoft would also post cracker report cards.
"Given these are some of the most influential companies on the share market, when they rise, they usually take the market higher," Ms Amir said.
"But if they disappoint, things could get very ugly very quickly."
Seven of the ASX's 11 sectors were higher at midday, with industrials, property and the bourse's two consumer sectors lower.
Tech was the biggest mover, climbing 3.8 per cent as Wisetech Global soared 12.7 per cent, clawing back some of its losses after a week of turmoil.
Wisetech announced after Thursday's close that co-founder and chief executive Richard White would be stepping down effective immediately amid an investigation into his conduct, while transitioning to a full-time consultant role set to give him wide influence within the company.
All of the big four banks were higher, with Westpac adding 0.7 per cent, ANZ advancing 0.5 per cent, NAB climbing 0.3 per cent and CBA rising 0.2 per cent.
In the heavyweight mining sector, Newmont had plunged 11.5 per cent to a two-and- a-half-month low of $72.45, a day after the goldminer reported higher production costs.
Other goldminers were higher, with Northern Star up 4.1 per cent, Evolution adding 1.8 per cent and Resolute advacing 2.6 per cent.
BHP had added 0.5 per cent, Rio Tinto had climbed 1.2 per cent but Fortescue had dipped 0.1 per cent.
In the energy sector, Whitehaven Coal had soared 8.0 per cent to a one-week high of $6.935 after reporting that all of its coalmines delivered as planned or better in the September quarter.
In health care, ResMed had advanced 5.7 per cent to a three-year high of $37.655 after the CPAP maker announced its first-quarter revenue was up 11 per cent to $US1.2 billion.
For the week the ASX200 was on track to finish 0.5 per cent lower, snapping its two-week winning streak.
The Australian dollar was near a two-month low against its US counterpart, buying 66.36 US cents, from 66.44 US cents at Thursday's ASX close.