U.S. stocks gyrated Thursday following reports that U.S. special counsel Robert Mueller is expanding his investigation of President Trump to examine his financial dealings.

The euro climbed after European Central Bank President Mario Draghi signaled the bank would discuss language on bond purchases in the autumn.

The Nasdaq Composite Index closed at an all-time high for a third straight day, while the S&P 500 Index was little changed and the Dow Jones Industrial Average declined. The dollar dropped, and bonds advanced. Gold gained after tumbling 0.5 percent earlier in the session.

The euro whipsawed, retreating as the central bank deferred the delicate decision on policy normalization until later this year, and then advancing as Draghi pointed to a timeline for policy makers to consider any change in their language.

The euro’s jump hit stocks in the region, which erased a gain before fluctuating, and the dollar, which pared an advance as it continued to recover from Tuesday’s lowest close in 11 months.

The yen dropped after Japanese policy makers delayed the time frame for reaching their inflation target – a sign that stimulus will be in place for a while to come.

Oil stocks climbed for a third day.