U.S. chip shares trade sharply lower premarket, extending the reach of a global wobble in artificial intelligence-related stocks following Samsung's quarterly update.

-- Micron Technology and Intel fell around 6% and 4%, respectively

-- Applied Materials and Lam Research, both major suppliers to Samsung--each lost around 5%.

In Europe,

-- Amsterdam-listed **ASML-**whose grip on the supply of chip-making machines has made it Europe's most valuable company-fell, as did chip makers STMicroelectronics and Infineon Technologies.

-- Dutch suppliers of semiconductor-making equipment BE Semiconductor and ASM International also slid.

In Asian trade, Samsung's decline spread to memory-chip maker SK Hynix.