"Six-hundred-point swings low aren't pretty, but it's important to keep in mind that days like today happen, and market moves likes this could be a new normal for a while".
In corporate news, Australian oil and gas company Santos announced Tuesday that it had received a $10.4 billion takeover proposal from Harbour Energy, Reuters said.
The dollar last traded at 105.88.
Markets in Europe and Asia reopened after a holiday weekend with losses as investors continue to wonder if big changes in worldwide trade are on their way.
For its part, Amazon has attracted the ire of Mr. Trump, who seems convinced the online retailer is somehow abusing the U.S. Postal Service. CBS shares rose 4.2 percent.
The June gold contract closed up $19.60 at US$1,346.90 an ounce and the May copper contract was up two cents at US$3.05 a pound.
"The big question is how far the current tremor in the equity market will affect bonds, given it is driven by a single company - even if it is a tech giant having a huge market weight", said DZ Bank strategist Christian Lenk. Snap fell 8 percent over planned layoffs.
United Nations launches $3 billion appeal to help war-torn Yemen
The funding appeal came a day after several children were among those killed in a strike on the rebel-held port of Hodeidah. Al-Malki suggested Iran had a hand in Tuesday's attack, repeating Saudi allegations that Tehran is arming the Houthis.
Pinwheels planted to draw attention to child abuse and neglect
The organization launched the Blue Ribbon Campaign to help people visualize how many child abuse victims there are in Lubbock. It's done by praying for the children and families who have been directly and indirectly impacted by child abuse .
PM Modi withdraws Fake News order
The Press Club of India has called for an emergency meeting in this regard in their premises on Tuesday to discuss the matter. Still, with no separate guidelines on fake news, some journalists and media owners also raised the need for introspection.
"Government policy is becoming much more relevant to the market", Selig says.
A sizable chunk of that decline has come since early March, when the president announced 25% tariffs on steel imports into the US, threatened China with up to $60 billion in tariffs and took to Twitter to blast Amazon.
Stocks are falling sharply on Wall Street after China raised import duties on US pork, apples and other products.
U.S. stocks dropped in early trading as weakness in technology shares persisted amid renewed Presidential criticism of Amazon.com and retaliatory tariffs from China. The Nasdaq composite increased 18 points, or 0.2 percent, to 6,887.
Asian shares slipped on Tuesday, with Japan leading losses in the region as investors digested the sell-off seen stateside amid a drop in tech stocks and trade-related worries.
Tesla (TSLA) came under regulatory scrutiny after a second crash this year involving the electric vehicle company's Autopilot driver-assistance system, the latest of which involved a death.
Humana (HUM) shares rose following continued reports Walmart (WMT) could buy the company or form a partnership with the health insurer.The Wall Street Journal reported on the possible deal last week. Volume on United States exchanges was 7.71 billion shares, compared to the 7.29 billion average over the last 20 trading days.
The Dow Jones industrial average fell 476 points, or 2 percent, to 23,624. Nvidia, a chipmaker that reportedly stopped its own work on products for semi-autonomous cars after the recent incidents, lost $9.17, or 4 percent, to $222.42. The euro edged up to $1.23 from $1.2306. Coca-Cola climbed 1.8 percent and Johnson & Johnson added 2 percent.