Alphabet reports fourth-quarter earnings after Tuesday's closing bell. Investors will be focused on cloud momentum and AI traction, with shares of the Google and YouTube parent company holding fast near the record levels achieved last week.

Key Takeaways Shares of Google parent Alphabet tumbled Wednesday amid worries about whether the tech giant's spending on AI will pay off. Several analysts lowered their price targets for the stock, citing concerns about the company's weaker-than-expected cloud growth and plans to ramp up spending on AI.

Alphabet's fourth-quarter earnings day is here, with numbers expected to be released after the markets close Tuesday. This will be followed by an earnings call at roughly 4:30 p.m. ET. The stock has been riding high over the past month as investors grew bullish over Google's AI investment.