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Mexico probing if US violated sovereignty in 2024 drug lord capture
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Nigeria's Dangote confirms Lamu, Kenya for east Africa mega-refinery
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Zverev reaches first Wimbledon quarter-final
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Study points to likely route for Hannibal's legendary Alpine crossing
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Nordic joy as Traeen takes yellow, Pedersen wins Tour de France 4th stage
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Australia's Mooney back at No 1 in batting rankings after World Cup heroics
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Electric Our Lady land: guitar made from burned Notre Dame wood
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Traeen takes yellow, Pedersen wins Tour de France 4th stage
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Tanker attacks send oil higher, stocks hit by AI jitters
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UK hard-right leader Farage resigns as MP to force snap vote in finances row
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IOC shuffle 2030 Winter Games events and promise gender parity
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Harry Kane calls for calm after England's World Cup epic against Mexico
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Macron says Syria must not be destabilised after bombs wound 18
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Beleaguered Prince Harry loses lawsuit against UK tabloid
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France's Le Pen to announce if running for president with ankle tag
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Sinner eyes Djokovic showdown after moving into Wimbledon semis
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France get ready to face 'lost treasure' Bouaddi in Morocco World Cup clash
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Sinner conquers heat, sets up potential Djokovic clash at Wimbledon
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Trump berates NATO, praises Erdogan as summit starts
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'Veteran' Gauff completes Slam semi-final set with Wimbledon fightback
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Blazy's Chanel fairy tale continues with whimsical couture show
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UK hard-right leader resigns as MP to force snap vote in finances row
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Stocks hit by AI concerns as oil rises on tanker attack
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US trade gap in May widens to biggest in over a year
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Prince Harry, Elton John lose case against UK tabloid
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France's Le Pen cleared to run for president but with ankle tag
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Serena wants to play again before US Open, says coach
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This year's El Nino likely to become record-breaker: top expert
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Sign of the times: Harry Styles sets record with 12-night Wembley run
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Kenya, Tanzania shut down protest anniversaries
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France's Le Pen arrives in court for key ruling in race for president
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Women pushed back to Afghanistan pin hopes on rare private sector jobs
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Stocks mixed tracking AI concerns, as oil rises on tanker attack
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Bomb attacks wound 18 in Damascus as Macron visits
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Paris FC confirm Rosenior taking over as coach
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Cuba slowly gets power back after third nationwide blackout in six months
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Thousands without power in US Pacific islands after super typhoon
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NATO summit showcases arms deals in push to win over Trump
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Prince Harry to discover outcome of UK tabloids case
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Seoul dives on tough day for Asia as Samsung fails to ease tech woes
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Messi v Salah in World Cup last-16 showdown
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Democrats push key US Senate candidate to quit over sex assault claim
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Death toll from China storms rises to 15, hundreds injured
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As South Korean Buddhism woos Gen Z, how hip is too hip?
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Belgium boosted by Balogun furore: Tielemans
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'Disappointed' Pochettino says Balogun row no excuse for US World Cup exit
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Samsung expects 1,800% operating profit leap on AI boom
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Seoul dives on mixed day in Asia as Samsung fails to ease tech woes
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Belgium thrash USA to end World Cup dream and set up Spain showdown
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Belgium dump US out of World Cup after Balogun row
Asian markets swing as trades eye tech rally, US rate outlook
Asian markets fluctuated Tuesday as investors assessed the latest tech rally on Wall Street amid worries a bubble is forming in the sector, while mixed signals from Federal Reserve officials fed uncertainty over its next interest rate move.
A flood of multi-billion-dollar investment into artificial intelligence has been a key driver of the surge in mostly technology equities across the globe this year, sending valuations to record highs.
The rally has been helped by easing trade tensions since US President Donald Trump's April tariff bombshell and expectations that the Fed will continue lowering borrowing costs
There is also a fear of missing out, in turn pushing prices up further, but there is increasing talk that the gains may have gone too far -- with most of the gains coming from the tech sector -- and a painful correction could be on the way.
ChatGPT-maker OpenAI signed a $38 billion deal with Amazon's AWS cloud computing arm, marking its latest huge tie-up following agreements with Oracle, Broadcom, AMD and chip titan Nvidia.
"Even after the tariff-induced swoon in April, global equities have tacked on $17 trillion in market value, with the rally increasingly bottlenecked into the same handful of tech titans," wrote SPI Asset Management's Stephen Innes.
"It's as if the entire market has narrowed to a single crowded corridor, the walls lined with AI logos and venture dreams.
"Amazon's move simply adds another rocket to the booster stack -- and traders are cheering the ignition, not asking how much fuel remains."
Wall Street ended on a mixed note, with the tech-rich Nasdaq rising along with the S&P 500 but the Dow in the red.
Asia struggled to extend Monday's advances.
Hong Kong rose with Wellington, Manila and Jakarta but Tokyo, Sydney, Singapore, Seoul and Taipei edged down with Shanghai flat.
Remarks from Fed officials did little to provide support for further buying after boss Jerome Powell indicated last week that a third rate cut this year -- after one in each of the past two meetings -- was not definite.
Governor Lisa Cook said she saw inflation remaining elevated in the coming year as tariffs bite, pointing out that some businesses had indicated they were running down inventories before passing on costs to consumers.
"Looking ahead, policy is not on a predetermined path," Cook said. "We are at a moment when risks to both sides of the dual mandate are elevated," she added, referring to the bank's target to support jobs while keeping rates at a level to put a cap on inflation.
"Every meeting, including December's, is a live meeting."
Meanwhile, Chicago Fed chief Austan Goolsbee said his main worry was inflation, while San Francisco boss Mary Daly was open to any options with regards to a cut in December.
Governor Stephen Miran, a Trump nominee, wanted to see more cuts.
"The divergence in opinions reinforces Fed Powell's assessment that another fed funds rate in December is not a foregone conclusion, with the lack of data adding to the need to wait before making a decision (when driving in a fog, best to slow down)," wrote National Australia Bank's Rodrigo Catril.
Data on Monday indicated some further weakness in the US economy, with a key gauge of activity in the manufacturing sector contracting more than expected and for an eighth straight month in October as demand and output weakened.
- Key figures at around 0230 GMT -
Tokyo - Nikkei 225: DOWN 0.1 percent at 52,361.14 (break)
Hong Kong - Hang Seng Index: UP 0.2 percent at 26,207.16
Shanghai - Composite: FLAT at 3796.80
Euro/dollar: DOWN at $1.1506 from $1.1518 on Monday
Pound/dollar: DOWN at $1.3120 from $1.3138
Dollar/yen: UP at 154.31 yen from 154.20 yen
Euro/pound: UP at 87.70 pence from 87.67 pence
West Texas Intermediate: DOWN 0.2 percent at $60.93 per barrel
Brent North Sea Crude: DOWN 0.2 percent at $64.76 per barrel
New York - Dow: DOWN 0.5 percent at 47,336.68 (close)
London - FTSE 100: DOWN 0.2 percent at 9,701.37 (close)
C.Meier--BTB