Oracle has topped Wall Street estimates for quarterly profit and revenue, as demand for its cloud products soars amid an industry-wide shift to cloud-based platforms.

Shares in the Austin, Texas-based company, whose fourth-quarter revenue jumped 5%, rose about 12% in extended trade on Wall Street last night.

"We believe that this revenue growth spike indicates that our infrastructure business has now entered a hyper-growth phase," Oracle chief executive Safra Catz said in a statement.

Oracle reported a currency headwind of 5% in the fourth quarter, up from 2% to 3% in the third quarter.

But it said it expects substantial revenue growth in its cloud business, despite rising inflation and a stronger greenback.

Microsoft in April and Salesforce last month also indicated a strong future for the cloud market as companies increase spending, though the former cut its fourth-quarter forecast for profit and revenue earlier this month due to unfavourable exchange rates.

Oracle warned of a $100m hit per quarter in fiscal year 2023 as a result of suspending services in Russia.

The company, however, expects first-quarter revenue growth between 17% and 18%, boosted by its $28-billion acquisition of healthcare IT company Cerner.

Oracle's forecast comes on a day US equity markets tumbled with the S&P 500 confirming it was in a bear market as investors fear aggressive interest rate hikes by the Federal Reserve could plunge the economy into recession.

The company said it expects first-quarter adjusted EPS between $1.04 and $1.08 compared with analysts' average estimate of $1.13.

Revenue for the fourth quarter ended May 31 grew to $11.84 billion, above analysts' average estimate of $11.66 billion, according to IBES data from Refinitiv.

Excluding items, the company earned $1.54 per share, beating estimates of $1.37 per share.