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OpenAI says three staffers fired for mishandling 'sensitive' info
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Four-member crew docks at International Space Station
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Nike plans job cuts as it forecasts lower sales
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Portugal win without Ronaldo as Klopp's Germany get first victory
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Ireland game interrupted twice by Gaza protests
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Wemby: 'Very sad' to see players endorse betting firms
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Judge denies acquittal bid by US woman who killed her kids
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Manchester City Women scrape draw with Real Madrid
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Klopp averts crisis with first win as Germany boss
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India, Australia and Pakistan in same World Cup group
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A saintly spat and debate snub: Brazil enters final campaign stretch
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Daryz's hopes of repeat Arc win boosted by draw
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US tells European allies to act 'immediately' to lower diesel prices
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Steelers ship disgruntled defender Porter to Cowboys
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G20 trade ministers fail to see consensus against overproduction
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Klopp gets first win as Germany boss
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Portugal edge Denmark in Ronaldo's absence
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Bolivia's attorney general arrested on drugs, money laundering charges
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US stocks edge higher as bond yields retreat for now
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Raiders host Chiefs in battle of unbeaten division rivals
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US tells European allies to 'immediately' act to lower diesel prices
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Lowest Fee Bitcoin ATMs Announces Launch of More Than 400 ATMs Nationwide
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Trump vows to hit Iran 'very hard' if linked to flydubai attack
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G20 against 'weaponization' of food trade: French minister
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Williams leaves Spain camp with thigh knock
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Female US inmate in critical condition after botched execution
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WTA reduces 2027 schedule for world's top 50
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Spotlight on UK-UAE ties amid Manchester City scandal
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US says 'in Europe's best interest' to cooperate on fuel supply
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Ethiopia and Eritrea break diplomatic ties over conflict
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Rogue OpenAI agents covered up their tracks, report says
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Downing Street says Manchester City not 'above the rules'
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A saintly spat and debate snub: Brazil enters final polls stretch
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Hadjar wants to 'fight for the title' from next season
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Zidane 'no regrets' about Materazzi headbutt as France face Italy again
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Bolivia's attorney general arrested for alleged drug trafficking, money laundering
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Libya's pay strike rallies teachers across divided nation
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German sugar tax sparks new government row
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Four-member crew blasts off for International Space Station
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Musk returns to US government for Pentagon war study
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i-payout Expands True Local Payment Capabilities to Help Enterprises Pay Recipients Globally
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Stocks slide as bond yields spike
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Botched US execution prompts global calls to scrap death penalty
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Thousands rally as EU chief urges respect for Kosovo war crimes court
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Algeria adopts law imposing death penalty on forest arsonists
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Man City sponsor Etihad says considering legal action against Premier League
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France unveils cost-cutting 2027 budget as borrowing costs rise
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Family of woman killed by US immigration agent sues Trump administration
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Brazil court orders removal of fake posts amid patron saint election row
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French school protests spread as fires, blockades deepen unrest
Tech names drag down world stocks, oil dips on supply hopes
A slump in high-flying technology stocks dragged down global markets Tuesday, with Wall Street tumbling again on valuation concerns and persistent worries over huge AI outlays.
The rout that began on US markets Monday took a heavy toll in Asia, with South Korea's Kospi slumping 10 percent on heavy selling of SK hynix and Samsung.
A plunge in Elon Musk's rocket and AI group SpaceX rattled investor confidence in the lofty tech valuations, wiping billions of dollars off its market value since its record-busting IPO earlier this month.
The stock pulled back into positive territory Tuesday, but US chip companies such as AMD, Nvidia and Broadcom again lost ground.
SpaceX "jumping on the bond train to fund excessive AI and infrastructure spending revives earlier concerns that Big Tech may be spending too much on AI infrastructure and increasingly financing that spending through debt", said Ipek Ozkardeskaya, senior analyst at Swissquote bank.
About 10 minutes into trading, the Dow Jones Industrial Average was down 0.7 percent at 51,356.35 but within half an hour had largely pulled back the session deficit.
The broad-based S&P 500 and the tech-rich Nasdaq were down more than one percent, while major European indices were also in the red two hours out from the close.
Share prices of South Korean chip giants SK hynix and Samsung tumbled more than 12 percent to drag the Kospi index down 10 percent, having finished Monday at a record high.
"When you have markets that go up in a straight line... they tend to experience sharp moves in the opposite direction at unpredictable times," said Steve Sosnick of Interactive Brokers.
"This is what happens when markets get stretched."
Tokyo also took a beating, shedding 3.6 percent, with tech investment titan SoftBank down more than 10 percent, Tokyo Electron 6.2 percent lower and Advantest off more than two percent.
Investors were also keeping an eye on the yen as it came close to a 40-year low against the dollar, making exports including oil more expensive for Japan.
Oil prices slipped, adding to recent falls as more tankers return to the Strait of Hormuz following a US-Iran deal aimed at ending the Middle East war.
A temporary suspension of US sanctions against Iran during their negotiations also raised hopes that more oil would be hitting the market soon.
Brent North Sea Crude was down another 1.2 percent at $76.97 a barrel around 1400 GMT and West Texas Intermediate dropped similarly to $73.00, those figures barely ten percent above what they had been before the US-Israeli war on Iran.
Earlier in the conflict they had soared past the $110 mark.
- Key figures around 1350 GMT -
New York - Dow: DOWN 0.1 percent at 51,680.52 points
New York - S&P 500: DOWN 1.0 percent at 7,396.09
New York - Nasdaq: DOWN 1.6 percent at 25,742.56
London - FTSE 100: DOWN 0.2 percent at 10,419.18 points
Paris - CAC 40: DOWN 0.6 percent at 8,347.36
Frankfurt - DAX: DOWN 1.0 percent at 24,880.68
Seoul - Kospi: DOWN 10.0 percent at 8,203.84 (close)
Tokyo - Nikkei 225: DOWN 3.6 percent at 69,788.38 (close)
Hong Kong - Hang Seng Index: DOWN 1.8 percent at 23,336.28 (close)
Shanghai - Composite: DOWN 1.4 percent at 4,106.25 (close)
Brent North Sea Crude: DOWN 1.2 percent at $76.97 a barrel
West Texas Intermediate: DOWN 1.2 percent at $73.00 a barrel
Euro/dollar: DOWN at $1.1397 from $1.1425 on Monday
Pound/dollar: DOWN at $1.3217 from $1.3244
Dollar/yen: DOWN at 161.49 yen from 161.66 yen
Euro/pound: UP at 86.23 pence from 86.23 pence
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W.Morales--AT