Nvidia stock was rising Friday. The market reaction to tariffs continues to be the main driver for the chip maker but its customers also have been upgrading their in-house hardware. Nvidia shares were up 2% at $109.

Advanced Micro Devices Inc.’s stock recorded its best day in nearly nine years, ending the session up 23.8%. Nvidia Corp.’s stock with its 18.7% rise, saw its best day in abou