India, Oct. 29 -- Alphabet (Google's parent company) shares fell about 13% on Thursday after the company reported its third-quarter results. The stock was on track for its worst single-day fall since the company went public in 2004.

The sharp fall put nearly $500 billion of Alphabet's stock market value at risk. This would make it the second-biggest one-day loss in market value for a US-listed company.

Nvidia recorded the biggest one-day loss in market value among US-listed companies, losing about $593 billion on January 27, 2025. The fall came after China's DeepSeek AI model worried investors about the future of the artificial intelligence industry, Yahoo Finance reported.

Alphabet's stock would need to close at around $274.75, down a...