Lam Research Corporation (LRCX) vs Merck & Co., Inc. (MRK)

Lam Research Corp is one of the world’s leading manufacturers of semiconductor wafer fabrication equipment. The company specializes in deposition and etch technologies, which involve building layers on a semiconductor wafer and selectively removing patterns from each layer. Lam holds the leading market share in etch and ranks a clear second in deposition. It has greater exposure to memory chipmakers, particularly in DRAM and NAND. Its major customers include some of the world’s largest semiconductor companies, such as TSMC, Samsung, Intel, and Micron.

Merck & Co., Inc. develops pharmaceutical products across multiple therapeutic areas, including cardiometabolic disorders, oncology, and infectious diseases. In cancer treatment, its immuno-oncology portfolio, led by Keytruda, represents a significant driver of total revenue. The company also maintains a strong vaccines business focused on preventing pediatric illnesses, alongside Gardasil for human papillomavirus. In addition, Merck markets animal health products. Geographically, 47% of the company’s sales come from its U.S. human health segment, which includes pharmaceuticals and vaccines.