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Voter swings raise midterm alarm bells for Trump's Republicans
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Australia dodges call for arrest of visiting Israel president
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Countries using internet blackouts to boost censorship: Proton
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Top US news anchor pleads with kidnappers for mom's life
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Thailand's pilot PM on course to keep top job
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The coming end of ISS, symbol of an era of global cooperation
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New crew set to launch for ISS after medical evacuation
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Family affair: Thailand waning dynasty still election kingmaker
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Japan's first woman PM tipped for thumping election win
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Stocks in retreat as traders reconsider tech investment
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LA officials call for Olympic chief to resign over Epstein file emails
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Ukraine, Russia, US to start second day of war talks
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Fiji football legend returns home to captain first pro club
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Trump attacks US electoral system with call to 'nationalize' voting
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Barry Manilow cancels Las Vegas shows but 'doing great' post-surgery
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US households become increasingly strained in diverging economy
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Four dead men: the cold case that engulfed a Colombian cycling star
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Super Bowl stars stake claims for Olympic flag football
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On a roll, Brazilian cinema seizes its moment
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Rising euro, falling inflation in focus at ECB meeting
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AI to track icebergs adrift at sea in boon for science
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Indigenous Brazilians protest Amazon river dredging for grain exports
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Google's annual revenue tops $400 bn for first time, AI investments rise
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Last US-Russia nuclear treaty ends in 'grave moment' for world
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Man City brush aside Newcastle to reach League Cup final
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Guardiola wants permission for Guehi to play in League Cup final
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Boxer Khelif reveals 'hormone treatments' before Paris Olympics
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'Bad Boy,' 'Little Pablo' and Mordisco: the men on a US-Colombia hitlist
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BHP damages trial over Brazil mine disaster to open in 2027
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Dallas deals Davis to Wizards in blockbuster NBA trade: report
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Iran-US talks back on, as Trump warns supreme leader
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Lens cruise into French Cup quarters, Endrick sends Lyon through
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No.1 Scheffler excited for Koepka return from LIV Golf
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Curling quietly kicks off sports programme at 2026 Winter Olympics
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Undav pokes Stuttgart past Kiel into German Cup semis
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Germany goalkeeper Ter Stegen to undergo surgery
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Bezos-led Washington Post announces 'painful' job cuts
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Iran says US talks are on, as Trump warns supreme leader
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Gaza health officials say strikes kill 24 after Israel says officer wounded
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Empress's crown dropped in Louvre heist to be fully restored: museum
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UK PM says Mandelson 'lied' about Epstein relations
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Shai to miss NBA All-Star Game with abdominal strain
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Trump suggests 'softer touch' needed on immigration
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From 'flop' to Super Bowl favorite: Sam Darnold's second act
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Man sentenced to life in prison for plotting to kill Trump in 2024
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Native Americans on high alert over Minneapolis crackdown
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Dallas deals Davis to Wizards in blockbuster NBA deal: report
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Russia 'no longer bound' by nuclear arms limits as treaty with US ends
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Panama hits back after China warns of 'heavy price' in ports row
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Strike kills guerrillas as US, Colombia agree to target narco bosses
Stocks retreat as tech bubble fears grow
Technology companies led sell-offs on stock markets Wednesday, as investors grow increasingly worried about an AI bubble following a rally that has propelled valuations to record highs.
Sentiment was hit also by the US government shutdown, which Wednesday became the longest ever, topping the 35-day record set during President Donald Trump's first term in office, as his administration warned of holiday air travel chaos and threatened Americans' benefits in a bid to force a resolution.
A total 1.4 million federal workers, from air traffic controllers to park wardens, are on enforced leave or working without pay.
"As well as valuation fears, the US is grappling with a nation in shutdown," noted Emma Wall, chief investment strategist at Hargreaves Lansdown.
"The US is nearing peak travel period, with Thanksgiving later this month. Listed airlines are likely to see share prices fall should flights be cancelled en masse."
After an uncertain start to the week, Wall Street tumbled Tuesday, with the tech-rich Nasdaq closing down more than two percent and the S&P 500 off more than one percent.
Asia took up the baton, with Seoul and Tokyo the hardest hit Wednesday. However many markets in the region recovered as the day wore on and pared many of the losses.
Losses among Europe's main indices were less severe approaching the half-way stage, while the dollar steadied.
Oil prices rose and bitcoin recovered slightly after sharp losses Tuesday that sent the leading cryptocurrency briefly under $100,000.
Global stock markets have soared this year as an eye-watering flood of cash piled into companies linked to artificial intelligence, including US titans Nvidia, Amazon and Apple as well as Asian firms Samsung and Alibaba.
But despite recent strong earnings, traders have started questioning the wisdom of chasing ever-higher prices, with cash mostly funnelled into a handful of big-name companies.
The gains have also been helped by an easing of US trade tensions and expectations that the Federal Reserve will continue to cut interest rates into the new year.
However, last week's warning from the US central bank that another reduction in December was not a foregone conclusion jolted sentiment.
With the latest earnings seasons nearing an end, German carmaker BMW on Wednesday reported rising third-quarter profits despite challenges from slowing Chinese sales and tariffs.
Its share price was up 0.6 percent following the update.
- Key figures at around 1100 GMT -
London - FTSE 100: DOWN 0.1 percent at 9,705.54 points
Paris - CAC 40: DOWN 0.3 percent at 8,040.73
Frankfurt - DAX: DOWN 0.8 percent at 23,756.98
Tokyo - Nikkei 225: DOWN 2.5 percent at 50,212.27 (close)
Hong Kong - Hang Seng Index: DOWN 0.1 percent at 25,935.41 (close)
Shanghai - Composite: UP 0.2 percent at 3,969.25 (close)
New York - Dow: DOWN 0.5 percent at 47,085.24 (close)
Euro/dollar: UP at $1.1483 from $1.1479 on Tuesday
Pound/dollar: UP at $1.3025 from $1.3019
Dollar/yen: UP at 153.70 yen from 153.66 yen
Euro/pound: DOWN at 88.14 pence from 88.17 pence
Brent North Sea Crude: UP 0.7 percent at $64.90 per barrel
West Texas Intermediate: UP 0.8 percent at $61.03 per barrel
burs-bcp/ajb/yad
M.Ouellet--BTB