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US tech giants saw their shares fluctuate this week as investors tried to gauge whether artificial intelligence will fill coffers or drain them.

Amid celebrations at getting a slew of US citizens and Kremlin opponents out of Russian prisons, the White House had one public regret Thursday: failure to get out an even bigger name -- Alexei Navalny.

Venezuela's opposition leader Maria Corina Machado said Thursday she was in hiding and "fearing for my life" after calling for supporters to protest President Nicolas Maduro's contested reelection victory.

US chip maker Intel said Thursday it will slash more than 15 percent of its workforce as it streamlines operations.

A little more than a year after her doctors told her she might never compete again, defending Olympic all-around champion Sunisa Lee took bronze in Paris behind US teammate Simone Biles.

Novak Djokovic faces an anxious wait to find out if a knee injury will derail his Olympic gold medal dream after reaching the semi-finals on Thursday as old rival Andy Murray slipped into retirement.

Ariarne Titmus said Australia earned "redemption" Thursday by soaring to the women's Olympic 4x200m freestyle relay gold in the second-fastest time ever.

Andy Murray said he was retiring "on my terms" as his trophy-filled career came to an emotional end at the Paris Olympics on Thursday, closing another chapter on tennis's golden generation.

Venezuela's opposition leader Maria Corina Machado said Thursday she was in hiding and "fearing for my life" after calling for supporters to protest President Nicolas Maduro's contested reelection victory.

Rebeca Andrade may have missed out on all-around Olympic gold to Simone Biles on Thursday but if the Brazilian was feeling disappointed she was doing a fine job of masking it.

Canada's Summer McIntosh enhanced her status as one of the standout stars of the Paris Olympics on Thursday, winning the women's 200m butterfly as powerhouses Australia won a fifth gold in the pool.

Simone Biles's sixth Olympic gold medal hung around her neck, and so did a twinkling little goat -- just a reminder to the gymnast hailed as the greatest of all time that she does indeed belong in the pantheon of sports greats.

Canadian sensation Summer McIntosh declared she's "not done yet" after storming to Olympic women's 200m butterfly gold on Thursday with the second fastest time in history and the quickest since 2009.

Hubert Kos powered to gold in the men's 200m backstroke on Thursday, touching in 1min 54.26sec to deliver Hungary's first gold of the Paris Olympics.

Amazon reported Thursday its profit in the recently ended quarter doubled to $13.5 billion with the help of renewed momentum of its AWS cloud computing business.

Simone Biles buried her demons to recapture the Olympic gymnastics all-around crown on Thursday, warning she was ready to have fun as she targets three more gold in Paris.

Sinaloa Cartel co-founder Ismael Zambada Garcia appeared in a Texas courtroom in a wheelchair on Thursday to face US charges of drug trafficking, money laundering and conspiracy to commit murder.

Simone Biles, with two Paris Olympics gold medals and counting, has cemented her legacy as the greatest gymnast of all time -- an athlete who transcends her sport in both triumph and defeat.

US journalist Evan Gershkovich and a Russian intelligence colonel jailed for a Berlin murder were among two dozen prisoners freed Thursday in the biggest East-West prisoner swap since the Cold War.

Novak Djokovic was "hoping for the best" Thursday that his troublesome right knee won't derail his dreams of finally winning Olympic gold.

Andy Murray's trophy-filled career came to an end at the Paris Olympics on Thursday as another chapter closed on tennis's golden generation.

Kremlin critic Vladimir Kara-Murza, who was released from a 25-year prison sentence on Thursday in a prisoner swap, has spent years warning the world of the dangers of a revanchist President Vladimir Putin.

Algerian boxer Imane Khelif's 46-second win at the Paris Olympics on Thursday sparked a furious row about gender eligibility rules, with public figures from around the world weighing in on the controversy.

Andy Murray's trophy-filled career came to an end at the Paris Olympics on Thursday as another chapter closed on tennis's golden generation.

Colombia's EMC guerrilla group said Thursday it would not launch attacks in the city of Cali during the upcoming COP16 UN biodiversity summit, as it had previously threatened.

Simone Biles recaptured the Olympic gymnastics all-around crown on Thursday, seeing off Brazil's Rebeca Andrade for her sixth Olympic gold and second in Paris.

Novak Djokovic overcame a worrying knee injury scare and a huge second-set deficit to reach his fourth Olympic Games semi-final on Thursday but admitted he faces a race against time to be fit for the occasion.

Novak Djokovic overcame a worrying knee injury scare and a huge second-set deficit to reach his fourth Olympic Games semi-final on Thursday.

The historic prisoner swap with Russia that freed US journalist Evan Gershkovich and 15 other Westerners was the fruit of painstaking, secret talks -- and one crucial phone call from President Joe Biden an hour before he dropped his reelection bid.

Simone Biles recaptured her all-around gymnastics crown on Thursday for her sixth Olympic gold and second in Paris, as a gender eligibility row in boxing shook the Games.

Judoka Peter Paltchik won Israel's first medal of the Paris Olympics on Thursday, quickly followed by Inbar Lanir taking silver in the women's competition.

Argentine diplomats left Venezuela Thursday after being ordered out of the country amid an election dispute that has seen the opposition call its supporters to "mobilize" against the contested victory of Nicolas Maduro.