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Kenya's economy faces climate change risks: World Bank
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Pulitzers honor damning coverage of Trump and his policies
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US-Iran ceasefire on brink as UAE reports attacks
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OpenAI co-founder under fire in Musk trial over $30 bn stake
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Amazon to ship stuff for any business, not just its own merchants
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Two dead as car ploughs into crowd in Germany's Leipzig
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Demi Moore joins Cannes Festival jury
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Two dead after car ploughs into people in Germany's Leipzig: mayor
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Stars set for Met Gala, fashion's biggest night
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France launches one-euro university meals for all students
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Mysterious world beyond Pluto may have an atmosphere: astronomers
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Energy crisis fuels calls to cut methane emissions
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Musk vs OpenAI trial enters second week
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Japan PM says oil crisis has 'enormous impact' in Asia-Pacific
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Seoul, Taipei hit records as Asian stocks track Wall St tech rally
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Boeing faces civil trial over 737 MAX crash
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Pacific Avenue Capital Partners Enters into Exclusive Negotiations to Acquire ESE World, Amcor's European Waste Container Business
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Three die on Atlantic cruise ship from suspected hantavirus: WHO
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Two die in 'respiratory illness' outbreak on Atlantic cruise ship
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More Nepalis drive electric, evading global fuel shocks
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Latecomer Japan eyes slice of rising global defence spending
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German fertiliser makers and farmers struggle with Iran war fallout
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OPEC+ to make first post-UAE production decision
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Massive crowds fill Rio's Copacabana beach for Shakira concert
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US airlines step up as Spirit winds down
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Aviation companies step up as Spirit winds down
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'Bookless bookstore': audio-only book shop opens in New York
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Venezuelan protesters call government wage hike a joke
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S&P 500, Nasdaq end at fresh records on tech earnings strength
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Pope names former undocumented migrant as US bishop of West Virginia
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Trump says will raise US tariffs on EU cars to 25%
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ExxonMobil CEO sees chance of higher oil prices as earnings dip
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After Madonna and Lady Gaga, Shakira set for Rio beach mega-gig
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King Charles gets warm welcome in Bermuda after whirlwind US visit
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Coe hails IOC gender testing decision
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Baguettes take centre stage on France's Labour Day
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Iran offers new proposal amid stalled US peace talks
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French hub monitors Hormuz tensions from afar
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Oil steady after wild swing, stocks diverge in thin trading
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Chinese swimmer Sun Yang reports cyberbullying to police
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Iran activates air defences as Trump faces congressional deadline
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India's cows offer biogas alternative to Mideast energy crunch
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Crude edges up after wild swing, stocks track Wall St rally
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Formerra Appoints Matt Borowiec as Chief Commercial Officer
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New Princess Diana documentary promises her own words
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Venezuela leader hikes minimum wage package by 26%
Stocks drop as tech rally fades
Stock markets fell Tuesday as investors weighed the recent tech rally on Wall Street against growing fears of an AI bubble and concerns over the US interest-rate outlook.
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.
But there is increasing talk that tech-led gains may have gone too far and a painful correction could be on the way.
"Wall Street CEOs have also put investors on notice for a correction in the next 1-2 years," said Kathleen Brooks, research director at trading group XTB.
"It seems like the investment community has taken heed of this message," she added.
Briefing.com analyst Patrick O'Hare pointed to the more than nine percent drop in Palantir shares despite the US software firm beating expectations for its third quarter earnings and future guidance.
"Palantir, trading at close to 100 times sales, has been a poster child for valuation concerns," he said.
"Accordingly, the weak price action after yet another terrific earnings report has taken some wind out of the market's sails, acting as a sign to some that this stock and the market-cap-weighted market have gotten ahead of themselves." he said.
In the latest deals, Palantir launched a joint venture with the Dubai government's investment arm on Tuesday.
US chip-maker Nvidia and Deutsche Telekom, meanwhile, said a one-billion-euro ($1.1 billion) industrial artificial intelligence hub will soon be launched in Germany, Europe's latest bid to catch up in the global AI race.
This came a day after ChatGPT-maker OpenAI signed a $38 billion deal with Amazon's AWS cloud computing arm.
Wall Street opened lower on Tuesday, with the tech-heavy Nasdaq Composite dropping 1.5 percent.
All the "Magnificent 7" stocks -- Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia and Tesla -- slid as trading started.
In Europe, the Paris and Frankfurt stock markets were down around one percent in afternoon trading Tuesday, while London slipped 0.4 percent.
The British pound retreated against the dollar after finance minister Rachel Reeves hinted at tax rises in a pre-budget speech.
That tracked a weak day in Asia, with Tokyo, Hong Kong and Shanghai stocks falling.
Cautious remarks from US Federal Reserve officials did little to provide support for further buying after the central bank's chief, Jerome Powell, indicated last week that a third rate cut this year was not definite.
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.
In company news, shares in British energy giant BP were only up 0.3 percent after a drop in oil prices on Tuesday overshadowed its strong earnings report.
Crude prices shed around one percent as the market anticipated oversupply.
- Key figures at around 1430 GMT -
New York - Dow: DOWN 0.7 percent at 46,996.72 points
New York - S&P 500: DOWN 1.2 percent at 6,772.87
New York - Nasdaq Composite: DOWN 1.6 percent at 23,458.21
London - FTSE 100: DOWN 0.4 percent at 9,662.93
Paris - CAC 40: DOWN 0.9 percent at 8,039.44
Frankfurt - DAX: DOWN 1.2 percent at 23,852.57
Tokyo - Nikkei 225: DOWN 1.7 percent at 51,497.20 (close)
Hong Kong - Hang Seng Index: DOWN 0.8 percent at 25,952.40 (close)
Shanghai - Composite: DOWN 0.4 percent at 3,960.19 (close)
Euro/dollar: DOWN at $1.1480 from $1.1518 on Monday
Pound/dollar: DOWN at $1.3044 from $1.3138
Dollar/yen: DOWN at 153.47 yen from 154.20 yen
Euro/pound: UP at 88.01 pence from 87.67 pence
West Texas Intermediate: DOWN 1.1 percent at $60.39 per barrel
Brent North Sea Crude: DOWN 1.0 percent at $64.27 per barrel
burs-rl/lth
Y.Ibrahim--CPN