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'More confrontational': Iran's new hardline security leadership
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US national debt exceeds $40 trillion for first time
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UK summons Israeli envoy over West Bank settlement project
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Brazilian narco violence spills over into tranquil Bolivia
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Trump vows 'tremendous' economic costs on Iran partners
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Trump's devoted 'human printer' in media glare
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Germany, France, UN condemn far-right Israeli minister's 'inhumane' Gaza remarks
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Top seed Zverev bundled out by Paul in rain-hit Cincinnati upset
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Prince Harry and Meghan moving back to UK: British press
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WADA pledges vigilance on Russian athletes ahead of 2028 Olympics
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Lee, Baena guide Atletico to opening Liga win over Malaga
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NASA satellite rescue mission fails
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Ecuador intel chief, five Americans killed in Kenya helicopter crash
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Cobolli halts Jodar to reach Cincinnati quarter-finals
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Robinson and Tongue share match ball after dismissing Pakistan
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As election looms, Netanyahu puts Turkey in Israel's crosshairs
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Israel army admits firing on car in death of five-year-old Hind Rajab
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McIlroy questions LIV stars 'value' as talk of PGA return builds
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Honduras places 80% of country on El Nino drought alert
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'Breakthrough' mRNA cancer drug curbs melanoma in large trial
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Some of Meta's safety tools were 'designed to fail': witness
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Many US Fed policymakers back interest rate hikes if inflation stays high
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PSG Ligue 1 opener moved over state of Parc des Princes pitch
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Robinson and Tongue star as Pakistan collapse in England opener
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UK PM launches bid to help homeless, donating part of his wages
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All Blacks must get 'everything right' to beat Springboks, says legend Fitzpatrick
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Golden Shoe winner Kane hopes for Ballon d'Or after 'best season ever'
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Robinson and Tongue star as Pakistan all out for 171 in England opener
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Kyiv's ex-defence chief makes risky bet by venturing into electoral grounds
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Lake Zurich sees water level hit record low amid drought
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Coventry have survival inspiration says Lampard
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Merck and Moderna's tailored cancer drug curbs melanoma recurrence in trial
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Reijnders leaves Man City for Saudi's Al Qadsiah
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Referees chief Webb wants clamp-down on Premier League set-piece grappling
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Trump says will meet North Korea's Kim later this year
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Robinson makes history as Pakistan collapse against England
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Stocks waver, dollar drops as US Treasury moves to lower bond yields
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Alvarez can win back Atletico fans in two games: club chief
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France recalls rare disease drug Tavneos after deaths
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Oldest human brain cells grown in lab 'recorded passage of time'
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Arsenal agree to sign Villa defender Konsa: reports
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7,300 excess deaths and counting in France's historically hot summer
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Evacuation orders lifted in Belgian wildfire zone
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Ukraine MPs approve new defence minister after divisive reshuffle
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UK media skewered for 'hounding' black academic
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North Korea leader's sister says 'unaware' of reported Kim-Trump communication
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More than 7,300 excess deaths in France's historically hot summer so far
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Russia, Ukraine exchange 103 captured soldiers each
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US socialists score shock Florida win as Trump picks stumble
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Sainz signs new contract with F1 team Williams
Stocks in retreat as traders reconsider tech investment
Asian stocks fell Thursday to track more losses on Wall Street, where tech firms were again under pressure as fears over vast AI investments and extended valuations gained momentum.
While the extreme volatility that greeted the start of the week has calmed, traders remained on edge over the impact of artificial intelligence on companies' bottom lines.
The latest development to spook markets was news that AI startup Anthropic -- which created the Claude chatbot -- had unveiled a tool that could be used by firms to carry out legal work.
Tuesday's announcement hit firms in the software, financial services and asset management industries, though analysts said there has been a general shift by investors out of tech following years of eye-watering gains, and into other industries.
An underwhelming response to earnings from titans including Alphabet, ARM and Microsoft has aided that move, which also comes as questions are raised about the wisdom of pumping hundreds of billions into AI with little idea about the timing of returns.
"The rout reflects growing unease about how quickly AI could disrupt existing business models and whether incumbent software companies can defend their margins," wrote Chris Beauchamp, chief market analyst at IG.
"Investors are pricing in the risk that new AI-native competitors could undercut pricing and erode market share across the sector."
Fiona Cincotta at City Index said: "Investors rotating into more cyclical names as fears over AI-driven disruption weighed on the market."
And she warned that "while losses in tech continue, sentiment remains fragile".
The rotation was evident in New York, where the tech-heavy Nasdaq shed 1.5 percent while the Dow Jones Industrial Average gained 0.5 percent.
The selling extended into Asia, where Seoul -- which has cruised more than 20 percent to multiple record highs this year thanks to its strong tech presence -- sank more than two percent.
Tokyo, Hong Kong, Shanghai, Sydney, Singapore and Taipei were also down.
"Enthusiasm towards AI has notably waned in recent months, with the market becoming increasingly bifurcated, not only amid concern over how capital expenditures will be financed (with debt-laden firms such as Oracle taking a battering), but also as concerns mount over concentration," said Pepperstone's Michael Brown.
Oil prices fell around two percent after Iran and the United States said nuclear talks would go ahead in Oman this week.
The news soothed investor concerns sparked by a report earlier Wednesday that the bitter foes would not meet owing to a row about the format and the venue, which sent the price of both main contracts up more than three percent.
Bitcoin was going for $72,000 -- its lowest since November 2024 -- after being caught up in the rollercoaster ride earlier this week as investors reconsidered their risk asset holdings.
The cryptocurrency is now down more than 40 percent from its record high above $126,000 touched in October, and Bloomberg said traders are now betting on it falling below $65,000.
Japanese electronics giant Panasonic soared as much as 15 percent in Tokyo at one point after it said it would increase its job cuts to 12,000 as part of a restructuring drive, while also reporting forecast-topping quarterly operating profit.
- Key figures at around 0230 GMT -
Tokyo - Nikkei 225: DOWN 0.7 percent at 53,898.35 (break)
Hong Kong - Hang Seng Index: DOWN 1.1 percent at 26,564.38
Shanghai - Composite: DOWN 1.1 percent at 4,057.69
Euro/dollar: DOWN at $1.1794 from $1.1802 on Wednesday
Pound/dollar: DOWN at $1.3633 from $1.3648
Dollar/yen: DOWN at 156.85 yen from 156.92 yen
Euro/pound: UP at 86.51 pence from 86.47 pence
West Texas Intermediate: DOWN 2.0 percent at $63.84 per barrel
Brent North Sea Crude: DOWN 2.1 percent at $68.04 per barrel
New York - Dow: UP 0.5 percent at 49,501.30 (close)
London - FTSE 100: UP 0.9 percent at 10,402.34 (close)
C.Hamad--SF-PST