That bell marks the end of regulation.

Voia investment management, ringing the closing bell with the New York Stock Exchange.

Microsoft doing the honors at the NASDAQ and stocks falling today.

As Israel launches a wave of airstrikes against Iran and taking a leg lower late in the session

as Iran responded with missile attacks aimed at Jerusalem and Tel Aviv.

The Dow with the biggest drop among the major averages,

though that's for some other reasons. Today's declines dropping all three major averages into the

negative for the week. Financial is the worst performing sector today, especially the payment companies.

Visa and American Express among the biggest drag on the Dow. This on reports,

Walmart and Amazon are considering their own stable coins for customers, which could replace some of the services from the payment companies.

The best performing sector is energy, unsurprisingly, the only one in the green has oil prices spike.

Money moving into gold, sending it back toward the all-time highs from April.

But investors selling bonds on fear spiking oil prices will lead to inflation.

That's sending yields higher.

That's the score caught on Wall Street, but winter stay late.

Welcome to closing bell overtime.

I'm John Fort.

Morgan Brennan is off today.

Let's begin with the latest out of the Middle East.

This afternoon we watched live as Iranian missiles headed toward Israel in response for last night's strikes by Israel on targets in Iran.

Let's get to our Amin Jabbers in Washington. Amen.

John, that's right. We're learning a little bit more now about U.S. involvement in all this from NBC News's Pentagon team, reporting now that the U.S. is assisting in shooting down

...