May 18 (Reuters) - Australian shares rose for a fourth straight session on Wednesday, lifted by mining and technology stocks, while miner Fortescue Metals jumped after it announced the return of its founder Andrew Forrest to oversee the iron ore business.

The benchmark S&P/ASX 200 index jumped 1.2% to 7,195.5 by 0031 GMT. In other key global markets, Japan's Nikkei was up 1.4% at 27,034 and S&P 500 E-minis futures were up 0.06%

Global sentiment improved on signs of demand revival in top consumer China as COVID-19 curbs were set to ease in Shanghai, while U.S. growth stocks showed strength after April retail sales eased worries of a economic slowdown.

Nevertheless, U.S. Federal Reserve Chair Jerome Powell said that interest rates would be hiked as much as required to combat surging inflation, a trend other geographies are expected to follow.

Export-reliant miners emerged as the top gainers on the Australian benchmark, climbing over 2% on higher iron ore prices.

Sector giants BHP Group, Rio Tinto climbed 3.1% and 2.5%, respectively.

Fortescue Metals Group, the world's fourth-largest iron ore miner, climbed near 1% after announcing management changes including the return of its billionaire founder Andrew Forrest as the group's executive chairman, to specifically oversee the group's iron ore business.

Technology stocks added nearly 1%, hitting their highest in a week, as they tracked overnight gains on Wall Street. ASX-listed shares of Block Inc. and Xero Ltd gained 3.7% and 0.4%, respectively.

Financials shed 0.1%, with two of the four so-called "Big Four" banks trading in the negative territory.

Energy stocks jumped close to a percent on higher oil prices, with sector major Santos Ltd marginally edging up.

New Zealand's benchmark S&P/NZX 50 index rose 0.5% to 11,197.6 points by 0031 GMT.

(Reporting by Jaskiran Singh; editing by Uttaresh.V)