The Nikkei plummeted today in Tokyo...down 424 points.
On Wall Street, the Dow fell 129.
The Nasdaq was also down by 57.
The Federal Reserve chair heads to Capitol Hill this morning to brief Congress on the state of the U.S. economy.
Janet Yellen will answer questions from lawmakers during the two day session.
Investors are waiting to hear what she has to say about the Fed's economic stimulus program.
The central bank recently decided to dial back its bond buying program.
Walt Disney's second quarter earnings beat Wall Street expectations.
The company says revenue was more than $11.5 billion.
That's up from $10.55 billion dollars, last year around this time.
The blockbuster movie Frozen helped Disney profits in the first quarter.
Frozen is the highest grossing animated feature film of all time, bringing in more than $1 billion.
Something new could be coming to Subway restaurants.
The fast food chain is trying out hummus at a few locations.
The idea is to give customers who don't eat meat-more variety.
If the test is successful, hummus could eventually be offered at stores nationwide.
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