Taiwan Semiconductor Manufacturing sits at the center of the chip supply chain, and its strong profitability and disciplined use of debt help explain why investors are willing to pay up for it. The big question is whether ongoing investment in new technology and capacity can keep it ahead of rivals despite the industry’s boom-and-bust cycles and geopolitical uncertainty.Read more

Merck’s biggest cancer drug keeps winning new uses, but an upcoming loss of exclusivity could reshape the business sooner than many expect. See how its research pipeline, global reach, and competitive pressures could decide whether today’s optimism holds up.Read more