Wall Street takes a hit as problems mount for Donald Trump

The growing political drama in Washington rattled Wall Street on Wednesday, knocking the Dow Jones industrial average down more than 370 points and giving the stock market its biggest single-day slump in eight months.

Investors worried the headline-fuelled political turmoil that has enveloped the White House may hinder President Donald Trump's plans to cut taxes, roll back government regulations and other aspects of his pro-business agenda.