This week, Alphabet, Amazon, and Microsoft collectively gained nearly $1.5 trillion in market value, driven by strong earnings reports and robust cloud growth. These three hyperscalers demonstrated growing investor confidence as they reaffirmed or increased their capital expenditure forecasts, particularly in AI-related infrastructure. Microsoft’s market capitalization surged by over $600 billion, while Amazon and Alphabet each added more than $400 billion, signaling optimism about their long-term profitability from AI spending.

In contrast, Apple and Meta experienced significant drops in their market valuations. Apple’s shares fell sharply, losing over $350 billion, due to supply chain challenges, including a memory shortage, which impacted its growth outlook despite strong earnings and revenue exceeding expectations. Meta also saw a decline of roughly $85 billion as its AI investments failed to reassure investors, who questioned the clarity and viability of its strategy compared to its Big Tech peers.

Amazon reported a 37% year-over-year increase in revenue from its cloud computing segment, Amazon Web Services, marking the fastest growth since 2021. The company raised its 2026 capital expenditure forecast to $220 billion, reflecting continued heavy investment in AI infrastructure. This cloud business is crucial for Amazon as it captures much of the market’s demand for AI products, making its strong growth a key signal for investors wary of tech capex outpacing actual demand.

Investor sentiment is currently divided, as some tech giants benefit from shifts in AI-related spending while others face skepticism about long-term returns. Industry experts estimate that AI spending among major technology companies might reach nearly $800 billion over the next year, with market watchers debating whether this massive investment translates into sustained profitability. This earnings season has underscored the varying market responses to each company’s AI approach and future growth prospects.