Asian markets and U.S. futures have tumbled following U.S. President Donald Trump's announcement of big increases in tariffs on imports of goods from around the world.

Newsmax's shares closed with a more-than-eight-fold gain at $83.51 on Monday, partly buoyed by retail interest.

Newsmax shares plunge nearly 80 percent after wild ‘meme stock’ ride briefly valued it higher than Fox - A day after the MAGA channel’s stock price surged to $233, Newsmax shares plummeted 77.5 percent to $52.

Newsmax's share price soared when it started trading Monday on the New York Stock Exchange under the ticker "NMAX."

Newsmax debuted on the New York Stock Exchange on Monday and surged over 500% in the first few hours of trading, leading to nearly a dozen trading halts following its initial public offering, as its market cap surged to more than $5.5 billion.

Babcock & Wilcox's stock closed Tuesday at an all-time low 46 cents per share. On quarterly earnings call, executives discuss looming debt deadlines.

The New York Stock Exchange launched its Texas exchange with its first listing by Trump Media & Technology Group.

Trump Media & Technology Group said on Monday it has become the first company to be listed on NYSE Texas, handing an early boost to the exchange as it gears up for fierce competition in the Lone Star state.