Phil Guido, an AMD executive VP, bought $500,000 of the chip maker’s shares, the first insider buy since 2012.

An executive at chipmaker Advanced Micro Devices (AMD) has bought company stock for the first time in 12 years, according to regulatory

Advanced Micro Devices Inc., which disappointed Wall Street in the fourth quarter with its artificial-intelligence chip forecast, may be facing another risk —an oversupply of chips to the personal-computer market.