BlockBeats news, October 19, according to BIT(bit.com) market data, Nasdaq 100 index futures extended gains to nearly 1%. U.S. optical communication, storage, and semiconductor stocks rebounded slightly in after-hours trading, with AAOI and Lumentum up nearly 3%, Marvell Technology, SK Hynix, and SanDisk up over 2%, Intel, Micron Technology, and AMD up nearly 2%, and Broadcom and Nvidia up over 1%.

