U.S. President Donald Trump threatened Sunday to impose more sanctions on Russia, after the Kremlin unleashed its biggest-ever aerial barrage at Ukraine.

Russian missiles and drones rained down across Ukraine early Sunday, killing four people and setting government offices in the capital Kyiv ablaze.

Eight key members of the OPEC+ alliance have agreed to again boost oil production, in a strategy analysts saw as a bid to gain a bigger market share of sales of crude.

Oil ministers in the V8 grouping -- comprising Saudi Arabia, Russia, Iraq, United Arab Emirates, Kuwait, Kazakhstan, Algeria and Oman -- decided Sunday to increase daily production by 137,000 barrels a day from next month, they said in a statement.

The world's richest man could become its first trillionaire if Elon Musk hits a series of extremely aggressive targets for his electric car company over the next decade, according to a proposed pay package released by the company.

Tesla said in a regulatory filing Friday that it will hand Musk shares worth as much as 12% of the company in a dozen separate packages if the company meets certain performance targets, including massive increases in car production, share price and operating profit. If approved by shareholders, the new pay package could make Musk the world's first trillion dollar executive, and would mark a new level of outsized pay in a country already known for extreme compensation. But the payoff is in shares, not cash, and the goals are extreme as well.

Australian Defense Minister Richard Marles on Friday toured a Japanese navy frigate of the same Japan-made model that Australia has chosen for its new fleet, as the two countries step up military ties to deter China's growing influence.

Canadian Prime Minister Mark Carney is delaying a requirement for automakers to begin hitting minimum sales levels for electric vehicles next year as the sector deals with U.S. President Donald Trump's tariffs.

U.S. stocks are tumbling on Tuesday, and some of Wall Street's biggest stars are leading the way lower.

The S&P 500 sank 1.2% and was on track for its worst loss in a month. The Dow Jones Industrial Average was down 498 points, or 1.1%, as of 9:37 a.m. Eastern time, and the Nasdaq composite was down a market-leading 1.4%. All three are still close to their recently set records.

It's tomato season and Lidia is harvesting on farms in California's Central Valley.

She is also anxious. Attention from U.S. Immigration and Customs Enforcement could upend her life more than 23 years after she illegally crossed the U.S.-Mexico border as a teenager.

The price of gold hit a new record and world shares were mostly lower on Tuesday after U.S. markets were closed for the Labor Day holiday.

The spot price of gold, traditionally a haven for investors in times of uncertainty, climbed as high as $3,578.40 per ounce early Tuesday. That surpassed an intraday record of $3,509.90 an ounce set in April. It later slipped back a bit, gaining 1.1% to $3,549.10 per ounce.

The British pound slumped more than one percent against the dollar Tuesday on concerns over soaring borrowing costs for the UK government.

Sterling shed 1.2 percent to $1.3388, while the euro gained half a percent on the British currency.

The leaders of Russia, China, India and seven other nations met Monday in northern China for the latest annual summit of the Shanghai Cooperation Organization in what could be an emerging challenge to America's global leadership.

The 10-member SCO, which gathered in the port city of Tianjin, has grown in size and influence since its founding 24 years ago, even while its goals and programs remain murky and name recognition low.