Australian shares are poised to open higher on Thursday, tracking a rebound in global risk sentiment driven by a strong finish for US technology stocks.

The S&P 500 rallied approximately 1% in the session, helping to lift investor confidence ahead of the Sydney open.

The memory chip maker's shares soared 9% after the company announced plans to spend US$250 billion on artificial intelligence chips.

The positive momentum from Wall Street is expected to provide a tailwind for the S&P/ASX 200 index, which has been tracking the broader recovery in global equity markets.

The catalyst for the US tech rally was a significant move in the semiconductor sector, led by Micron Technology.

The memory chip maker's shares soared 9% after the company announced plans to spend US$250 billion on artificial intelligence chips.

This massive capital expenditure signal underscores the continued depth of demand for AI infrastructure, reinforcing the sector's role as a primary driver of global market performance.