STMicroelectronics’ (STM) shares have tumbled 33.9% in the past six months, significantly underperforming the Zacks Computer & Technology sector and the Zacks Semiconductor-General industry’s declines of 17.2% and 28.5%, respectively.The STM stock has underperformed its industry peers, including NVIDIA (NVDA) , Texas Instruments (TXN) and Amtech Systems (ASYS) .Over the same period, NVIDIA, Texas Instruments and Amtech Systems recorded losses of 29%, 25.1% and 22%, respectively.The bearish sentiment surroun ...