Wall Street shifted lower in early trading Wednesday as markets took in more corporate earnings reports while considering the impact of tariffs being imposed by the United States and China.

Tesla was particularly battered as it joined Apple (-3%) and Nvidia (-3%), as American multinational companies with the highest proportion of sales in China.

There are plenty of moving parts when it comes to tariffs. Here, we look at what impact tariffs have on the stock market and your portfolio.

The stock market fell on Monday after President Donald Trump slapped tariffs on Canada, Mexico and China, eliciting threats of retaliation and setting the stage for a trade war. Traders demonstrated their jitters with a selloff of U.

On Saturday, President Donald Trump made good on his promise to impose steep tariffs on America’s three largest trading partners — Canada, China and Mexico — citing a national emergency on the flow of fentanyl and undocumented immigrants into the United States.

Over the weekend, President Donald Trump said the U.S. will levy 25% tariffs on Mexico and Canada and 10% tariffs on China. Stock market losses ranged from 1.4% to 2.5% in early trading Monday.

NBC News' Brian Cheung and Gabe Gutierrez report on the impacts and reaction to President Trump's tariffs on Canada, Mexico and China and the president's talks with other nation's leaders.

D: President Trump’s threat to impose new U.S. tariffs on imports from China, Mexico and Canada drove down stocks multiple sectors Monday, with shares of several media companies falling as investors grappled with America’s new trade wars.