Alibaba Drops, Samsung Slides, Nvidia Slumps

Today's biggest winners and losers in the stock market.

On this episode of Stock Movers:

- Alibaba shares fell as much as 10% after the e-commerce giant raised HK$80 billion ($10.2 billion) in Hong Kong’s biggest secondary share sale, underscoring its willingness to amass and spend vast sums to take the lead in global artificial intelligence.

- Samsung shares slid as much as 8% as investors were disappointed by a new shareholder return package that favors dividends.

- Nvidia shares slump after reports that the tech company is in talks to invest in AI startup Perplexity, which follows an announcement that the prices of many servers containing its artificial intelligence chips are going up more than 15%.

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