New data suggests bond investors are selling their holdings to pay their tax bills.
The corporate tax cut weakened the appeal of state and local debt.
The billionaire hedge fund manager owns several hotels and office space on the island.
Infrastructure is one area where the partisan divide may be bridgeable.
The company’s bonds soared in early trading Tuesday, when they were among the most active municipal securities.
Much of the island has been without power since Hurricane Maria hit seven months ago.
Debt that was once worth 21 cents on the dollar now trades for 41 cents.
New Jersey has the worst-funded state retirement system in the nation.
Puerto Rico is considering suspending debt-service payments for five years, a lawyer said.
It votes today on the sale of $400 million of bonds for projects to protect against climate change impacts.