Major stock indexes are opening lower on Wall Stret ahead of a U.S. tariff deadline on Chinese imports this weekend. Investors expect President Donald Trump to put off or scrap the tariff increase but talks on an interim “Phase 1” agreement announced in October have failed to agree on details. Investors are also watching the outcome of Britain's general election on Thursday. The S&P 500 fell 3 points, or 0.1%, to 3,132. The Dow Jones Industrial Average slipped 38 points, or 0.1%, to 27,867. The Nasdaq lost 4 points, or 0.1%, to 8,617. Bond prices rose, sending yields lower.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.

Stock markets around the world fell sharply Tuesday as nervous investors watched a rapidly approaching deadline for more U.S. tariffs on Chinese imports.

Markets also have their eyes on American and European interest rate decisions coming this week and the outcome of Britain's general election on Thursday amid uncertainty over plans to leave the European Union.

Benchmarks in London and Frankfurt were down in midday trading. Tokyo and Hong Kong finished with losses while Shanghai closed higher after spending most of the day in negative territory. Wall Street appeared set to open lower.

Washington is due to impose new tariff hikes Sunday on $160 billion of Chinese goods in a fight over Beijing's technology ambitions and trade surplus.

Investors expect President Donald Trump to put off or scrap the increase but talks on an interim “Phase 1” agreement announced in October have failed to agree on details.

“All hell could break loose if the tariffs don't get postponed,” said Stephen Innes of AxiTrader in a report. That would tell investors "they have yet again been taken down the trade talk garden path only to end up at the cliff edge of trade war purgatory.”

Chinese spokespeople have appealed for a prompt resolution to the fight that threatens to chill global economic growth. Trump rattled markets last week by saying he might be willing to wait until after next year's presidential election.

London's FTSE 100 tumbled 1% to 7,161 and Germany's DAX fell 1.4% to 12,916. France's CAC 40 declined 0.9% to 5,784.

On Wall Street, futures for the Standard & Poor's 500 index and the Dow Jones Industrial Average both declined more than 0.3%.

In Asia, the Shanghai Composite Index ended up 0.1% at 2,917.32. Tokyo's Nikkei 225 was off less than 0.1% at 23,410.19 and Hong Kong's Hang Seng declined 0.2% to 26,436.62.

Seoul's Kospi rose 0.4% to 2,098.00 and Sydney's S&P-ASX 200 lost 0.3% to 6,706.90. India's Sensex opened down 0.5% at 40,270.11. Taiwan and Singapore declined while New Zealand advanced.

Forecasters expect little change from the U.S. Federal Reserve when its latest policy meeting ends Wednesday.

The U.S. central bank has cut its benchmark lending rate three times this year as what Chairman Jerome Powell called insurance against the economic drags from the tariff battle with Beijing and slower global growth.

A meeting of the European Central Bank on Thursday also is expected to produce no surprises. Forecasters expect the bank to affirm commitment to its dovish bias amid warnings about European economic weakness and risk to growth.

British leaders are looking to Thursday's election for 650 seats in the House of Commons to break an impasse over departure from the EU and London's future relationship with the trade bloc.

Prime Minister Boris Johnson pushed for a vote more than two years early in hopes of winning a majority. He has promised to take Britain out of the EU by Jan. 31 is his Conservatives win.

The opposition Labour Party is promising to renegotiate the divorce deal, then give voters the choice in a referendum of leaving the EU on those terms or remaining in the bloc.

CHINA INFLATION: Chinese consumer inflation spiked to a seven-year high of 4.5% due to shortages of pork that pushed up food costs. The price of pork rose 110.2% over a year earlier. An outbreak of African swine fever has disrupted supplies by prompting farmers and Chinese authorities to quarantine, destroy or slaughter early millions of pigs. Forecasters noted the peak of the outbreak appeared to be passing and pork prices rose only 3.8% compared with the previous month.

ENERGY: Benchmark U.S. crude lost 31 cents to $58.71 per barrel in electronic trading on the New York Mercantile Exchange. The contract declined 18 cents on Monday to close at $59.02. Brent crude, used to price international oils, shed 32 cents to $63.93 per barrel in London. It lost 14 cents the previous session to $64.25.

CURRENCY: The dollar was flat at 108.55 yen while the euro advanced to $1.1080 from $1.1064.