WATCH LIVE: NBC Special Report on Monday's falling markets

Special report scheduled to begin at 4 p.m.

As of 3:30 p.m., the Dow Jones Industrial Average was down more than 3 percent with about 30 minutes left in the trading day.

NBC News will provide a Special Report at 4 p.m. at the close of the markets.

Lester Holt will anchor from New York.