The artificial intelligence (AI) trend has given big boosts to the share prices of Nvidia (NVDA -3.00%) and Taiwan Semiconductor Manufacturing (TSM 0.60%) over the past year. The two chipmakers' stocks rose by 204% and 121%, respectively, during the period, crushing the 35% gains recorded by the PHLX Semiconductor Sector index.The massive demand for powerful chips capable of handling AI workloads in data centers has played a central role in driving those share price gains, with major cloud service companies ...