U.S. stocks opened with broad declines in semiconductor, memory, and crypto-related shares; the optical communications sector showed mixed performance, with Marvell falling over 12%.

BlockBeats news, October 29 - According to data from the BIT stock platform, at the U.S. stock market open, the semiconductor and storage, and crypto concept sectors broadly declined, while the optical communication sector showed divergence.

In the semiconductor and storage sector: Seagate (STX) fell 2.51%; Western Digital (WDC) fell 1.87%; SanDisk (SNDK) fell 3.80%; Micron (MU) fell 3.03%; Nvidia (NVDA) fell 1.08%; Intel (INTC) fell 3.60%; AMD fell 1.65%.

Among crypto concept stocks: Strategy (MSTR) fell 3.39%; Coinbase (COIN) fell 1.91%; Circle (CRCL) fell 2.61%; BitMine (BMNR) fell 3.03%; SharpLink (SBET) fell 1.83%.

Among optical communication concept stocks: FOTO rose 0.43%; Marvell Technology (MRVL) fell 12.57%; Applied Optoelectronics (AAOI) fell 3.20%; Lumentum (LITE) rose 4.13%; Coherent (COHR) fell 0.26%; Ciena (CIEN) fell 3.84%; Fabrinet (FN) fell 2.20%; AXT (AXTI) fell 6.23%.