The Dow Jones and other key indexes pulled off lows after President Donald Trump denied reports he planned to fire the head of the Federal Reserve. ASML stock plunged on this warning.

President Donald Trump on Wednesday appeared to escalate his attacks on Federal Reserve Chair Jerome Powell, a step investor call dangerous.

President Trump once again raised questions surrounding his mental acuity after he seemed to forget that he was the person who appointed Federal Reserve Chair Jerome Powell, while he was in the middle ...