On Friday, U.S. semiconductor concept stocks experienced a collective upswing. At the time of writing, Astera Labs (ALAB.US) led the gains, climbing over 6%. United Microelectronics (UMC.US) followed closely, rising more than 5.8%. Other notable advancers included Advanced Micro Devices (AMD.US) and Marvell Technology (MRVL.US), both up 1.9%. Broadcom (AVGO.US) increased by 0.9%, while NVIDIA (NVDA.US) saw a more modest gain of 0.48%.