Primary drivers behind the upward momentum in Lam Research stock center on robust secular tailwinds in artificial intelligence infrastructure and strong corporate execution. The stock experienced positive price action amid heightened trading activity, fueled by lingering momentum from its impressive fourth-quarter fiscal results and raised full-year outlook. The company highlighted accelerating demand for etch and deposition tools, particularly across high-density NAND memory upgrades and advanced packaging used in AI chiplet integration. Furthermore, management’s upward revision of the overall calendar year wafer fab equipment spending forecast reinforced investor…