Major US stock indices opened lower on Monday after the Donald Trump administration renewed its attacks on the Federal Reserve, stoking fresh worries about the central bank’s autonomy.

Financial stocks declined following a proposed one-year cap on credit-card interest rates.

At the open, the Dow Jones Industrial Average fell 4.4 points, or 0.01%, to 49499.67. The S&P 500 fell 22.2 points, or 0.32%, to 6944.12, while the Nasdaq Composite dropped 94.5 points, or 0.40%, to 23576.877.