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Bitcoin rebounded to $77,900, Ethereum approached $2,130, and the market stabilized as U.S. stocks strengthened and oil prices retreated. Hyperliquid's HYPE rose by 6.5%, with a cumulative seven-day increase of 53%. Derivatives data shows an increase in bullish positions, options traders are betting on volatility breakouts for Bitcoin and Ethereum, speculative activity in small tokens is rising, and the altcoin market is showing mixed performance.

Glonghui, May 21 – QatarEnergy has signed a memorandum of understanding with the Government of the Arab Republic of Egypt and ExxonMobil. It has also signed a memorandum of understanding with Cyprus to study and promote the potential development and commercialization of the country's natural gas discoveries.

Jinse Finance reported that on May 21, international oil prices surged, with WTI crude oil futures expanding their gains to 2%, quoted at $100.253 per barrel. Earlier reports indicated that Iran’s Supreme Leader has ordered that uranium enriched close to weapons grade must remain within Iran.