Bitcoin has rebounded above $81,400, driven by a rally in Asian chip stocks, particularly with SK Hynix reporting a sevenfold profit increase. The altcoin pepe also saw a notable rise of 9.4%. The Kospi index in South Korea jumped 6.6%, contributing to the positive sentiment in the crypto market. Additionally, U.S. spot bitcoin ETFs recorded inflows of $176 million, marking a second consecutive day of gains. Overall, the altcoin market showed strength, with ether gaining 0.9%.