 Advanced microdevices AMD gained 3.5% after the chipmaker announced plans to acquire Silo AI, a private AI lab in Europe, for $665 million, with the acquisition expected to close before the end of the year. Both reports seem to give a boost to other semiconductor and microchip companies. NVIDIA stock was up another 2.5%, Qualcomm gained 0.6%, and Broadcom stock was up 1.5%.