We’re following major market developments throughout the day.

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What to Watch For: The Fed Decides

• Federal Reserve policy makers are expected to raise the benchmark interest rate for the second time this year, in an announcement at 2 p.m. Eastern time. The Fed chairwoman, Janet L. Yellen, will hold a news conference half an hour later. Here’s what to expect.

• Iceland’s central bank cut interest rates after the country’s economy made its worst showing since 2014. Iceland — a symbol of the financial crisis — finally lifted capital controls in March.

• Don’t forget to read the DealBook Morning Agenda.