CNN Money Companies

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Warren Buffett's company, Berkshire Hathaway, will pick up a stake in Paytm in a deal that will value India's top payments platform at about $10 billion.

The company is on the verge of shutting its US operations, unless some powerful allies in Washington intervene.

AMD is the best stock in the S&P 500 this year. Shares have more than doubled as the company has benefited from more demand for PCs and the continued boom in gaming.

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Ryanair has introduced restrictive new baggage rules that risk upsetting passengers.

Kalashnikov has joined the rush of companies hoping to make it big with electric cars.

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Hormel, which owns SPAM, Skippy peanut butter and the Jenny-O turkey brand, said that tariffs on pork, aluminum and steel will hurt its earnings.

Volkswagen has been accused of ruining crops planted near one of its factories in Mexico by using technology to alter the weather.

British Airways and Air France KLM are scrapping flights to Iran as sanctions hit demand for travel.

Alibaba reported healthy sales, despite growing worries about tariffs. Vice chairman Joseph Tsai said Alibaba will continue to do well as it expands to other markets, noting that "the world is a big place."

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Ryanair has been slammed this summer by pilot strikes and rising costs. Bad checks are its latest embarrassment.

The mattress company is merging with online startup Tuft & Needle to fend off digital rivals.

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Canadian cannabis stocks Cronos and Tilray are surging after announcing plans to sell legal marijuana in Canada. The investment by Corona owner Constellation Brands in fellow cannabis company Canopy Growth is helping too.