[US Stocks Open Lower Across Semiconductor, Storage, and Crypto Concepts; Optical Communication Sector Shows Divergence, with Marvell Falling Over 12%] According to BlockBeats, on October 29th, data from the BIT stock platform showed that US stocks opened lower across the board for semiconductor, storage, and crypto concepts, 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%. In the 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%; 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%; and AXT (AXTI) fell 6.23%.