A.I. Boom Ignites Asian Chip Companies

At Taiwan’s biggest computing show this month, Jensen Huang, the chief executive of Nvidia, was mobbed as if he were a rock star, trailed by a crowd from booth to booth as he signed autographs and posed for selfies. At the stand of SK Hynix, one of his most important South Korean suppliers, Mr. Huang picked up a marker and left a message. Atop a reflective wafer of memory — a component of Nvidia’s A.I. supercomputers now in short supply — he wrote: “Please make more :).” It was only…