US Bull Market Nears Fourth Anniversary as Narrow Rally Raises Fresh Risks
The US stock bull market is approaching its fourth year, supported by resilient corporate earnings, subdued volatility and continued enthusiasm around artificial intelligence. But the advance is increasingly concentrated in a small group of heavyweight stocks, leaving the broader market vulnerable if sentiment cools or earnings disappoint. Upcoming third-quarter results and the US election cycle could test whether the rally can broaden or begins to fray.
