Want insight into the business prospects for a company? Pay attention to what its biggest customers are saying. Alphabet (NASDAQ: GOOG) (NASDAQ: GOOGL) provided its fiscal 2024 fourth-quarter update after the market closed on Tuesday.

Key Takeaways Google parent Alphabet said it plans to spend $75 billion in capital expenditures this year, as it expands capacity to meet demand for AI.CFO Anat Ashkenazi said a majority of that spending would go toward technical infrastructure,

Alphabet said on Tuesday it will spend $75 billion on its AI buildout this year, 29% more than Wall Street expected, while posting cloud revenue that missed analysts' target. The tech giant's shares were down 9% in extended trading.

Alphabet's Q4 results were mixed, leading to a 7%+ stock drop in after-hours trading. Read why I think the dip in GOOGL stock is a buying opportunity.

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.