The Dow, S&P 500 and Nasdaq are under pressure for a second day as global investors sell equities in response to President Trump’s sweeping tariffs against the majority of U.S. trading partners, including China who is retaliating.

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The Trump administration's aggressive global tariff regime against imported goods from some of its closest allies has drawn strong reactions across the board.

Global markets on Thursday were severely rattled by President Donald Trump’s historic tariff announcement, which threatens to throw the US and the rest of the world into a recession.

Investors’ shock at the size of the levies sent markets in Asia sharply lower. Experts warned that the global economy could be upended.

European stocks continued to drop shortly after the market open today, albeit at a much slower rate than yesterday’s huge losses, as investors around the world continue to reassess their trades in the wake of the Trump administration’s announcement of sweeping global tariffs.

Turmoil on financial markets deepened on Friday, as China hit back at tariffs announced by Donald Trump, raising the likelihood of an extended trade war and damage to the global economy. The S&P 500 index,

Stocks nosedived at the opening bell after President Donald Trump upended global markets by announcing tariffs on almost all imports coming into the United States. NBC News' Brian Cheung reports on how the markets are reacting to the tariffs.