Tesla, Alphabet lose hundreds of billions in value in post-earnings stock plunge

• Both Tesla and Alphabet signaled higher spending as they invest in artificial intelligence.
• There were signs that some of Google’s investments were beginning to pay off, with its cloud revenue jumping 82% year on year in the second quarter.
• Meanwhile, Tesla is investing in areas from robotics to semiconductors.

Shares of Alphabet and Tesla fell on Thursday after both companies signaled increased AI spending, unnerving investors worried about the mounting costs of the artificial intelligence boom.

Source: https://www.cnbc.com/2026/07/23/tesla-tsla-alphabet-googl-stock-today.html