US stocks clawed back earlier losses to turn positive on Thursday as investors continued to monitor the Iran war and rising oil prices.

The Dow Jones Industrial Average was last trading around the flatline. The S&P 500 and the Nasdaq Composite were also flat. At their lows of the session, the Dow was down more than 600 points, or 1.4%, while the S&P 500 and Nasdaq were down 1.5% and 2.2%, respectively.

President Donald Trump delivered an address Wednesday night, providing updates on the Middle East conflict. Though he said that the U.S. is “getting very close” to ending the Iran war, Trump added that the nation would “hit” Tehran “extremely hard.”

“Over the next two to three weeks, we’re going to bring them back to the stone ages where they belong,” the president said.