boom

Past investment booms have also had broad effects on companies issuing debt in those cycles.

The reopening marks a significant moment in the mini boom that the artificial-intelligence sector is driving across Pennsylvania, Michigan, Iowa and Illinois.

Many economists and investors expect AI to come to the rescue, ushering in a productivity boom in the next few years that will lift gross domestic product and bolster U.S. competitiveness.

Among the top beneficiaries of the AI boom are South Korea and Taiwan.

The AI boom has also pulled up South Korea, which dominates the corner of the AI supply chain that makes memory chips, and the Netherlands, home of chip-making equipment leader ASML.