U.S. stocks tumbled, with the optical communications sector leading the decline, while semiconductor, storage, and crypto-related stocks fell across the board, with Strategy dropping 5.8%.

BlockBeats news, October 15th, according to BIT (bit.com) market data, during U.S. stock trading, the S&P 500 index expanded its decline to 1.1%, the Nasdaq fell 1.64%, and the Dow fell 0.3%. Semiconductor, storage, optical communication, and crypto concept stocks all fell across the board, with the optical communication sector leading the decline, as major individual stocks all dropped more than 7%.

Among semiconductor and storage sectors:

Seagate Technology (STX) fell 2.8%;

Western Digital (WDC) fell 3.2%;

SanDisk (SNDK) fell 4.7%;

Micron Technology (MU) fell 3.3%;

NVIDIA (NVDA) fell 2.9%;

Intel (INTC) fell 4.2%;

Advanced Micro Devices (AMD) fell 5.3%;

Among crypto concept stocks:

Strategy (MSTR) fell 5.8%;

Coinbase (COIN) fell 4.6%;

Circle (CRCL) fell 6.4%;

BitMine Immersion (BMNR) fell 5.3%;

SharpLink Gaming (SBET) fell 7.4%.

Among optical communication concept stocks:

Pure Photonics ETF FOTO fell 6.2%;

Marvell Technology (MRVL) fell 5.8%;

AAOI (Applied Optoelectronics) fell 9.8%;

LITE (Lumentum Holdings) fell 7.2%;

COHR (Coherent Corp.) fell 7.8%;

CIEN (Ciena Corporation) fell 7.8%.