Amazon.com, Inc. (AMZN) stock fell 1.99% to $254.74, a loss of $5.18, as the technology and e-commerce company's earnings valuation dropped to multiyear lows. The company's trailing price-to-earnings ratio has slipped to roughly 20 times earnings despite continued expansion across artificial intelligence and cloud computing. Rising infrastructure expenses and a federal advertising lawsuit have meanwhile added pressure to the shares, extending a period of uneven trading for one of the world's largest technology companies.

Valuation Falls Below Historical Averages

Amazon shares have struggled to regain their previous highs even as market interest in artificial intelligence companies persists. The stock has declined approximately 8.5% from its early August 52-week high, a weaker performance than several technology peers. Microsoft shares, by comparison, have retreated approximately 4.2% from their own 52-week high over the same period.

Data from Yahoo Finance's AlphaSpace places Amazon's trailing price-to-earnings ratio near 20 times, well below its historical averages. A trailing price-to-earnings ratio measures a company's share price against its earnings over the previous twelve months. Amazon recorded an average trailing multiple of roughly 60 times over the past five years and 102.3 times over ten years, meaning the current valuation represents a substantial decline from the premium historically associated with its earnings growth. Market analysis platform TrendSpider also identified Amazon's earnings multiple as one of its lowest readings in several years. In practical terms, investors are now paying among the lowest prices per dollar of Amazon's trailing earnings seen in recent years — a notable shift for a company whose shares have long commanded a premium on expectations of continued growth.

Uncertainty remains over whether the calculation fully accounts for gains associated with Amazon's investment in Anthropic. Gains of that kind can increase reported earnings and reduce the trailing multiple without directly improving recurring operating profits. Upcoming quarterly reports will roll new earnings into that twelve-month window, updating the inputs behind the ratio.

FTC Advertising Lawsuit Adds Pressure

Amazon also faces regulatory challenges involving its advertising business, a major source of revenue across its retail platform. Advertising has become an increasingly important earnings contributor for the company, which sells sponsored placements to merchants competing for visibility on its marketplace. The Federal Trade Commission and 22 states filed a lawsuit on August 31 over alleged unfair advertising auction practices. Regulators claim Amazon used undisclosed pricing methods to increase advertising costs for businesses selling through its platform.

The FTC alleges that the company's practices generated more than $20 billion in additional advertising charges since 2019. The complaint concerns approximately 1.2 million advertisers and questions how Amazon determined prices for sponsored advertising placements. According to regulators, the company introduced pricing mechanisms that increased costs beyond levels set through ordinary bidding competition.

Amazon disputes the allegations and maintains that its advertising platform delivers value to participating businesses. The legal proceedings could affect an important profit source if regulators secure changes to the company's pricing practices. The unresolved dispute adds another challenge as Amazon balances retail operations, cloud expansion, and growing infrastructure commitments. Cases of this scale typically advance through motions, discovery, and potential settlement discussions over an extended timeline, making procedural filings the near-term markers to watch as the dispute develops.

AI Spending Raises Free Cash Flow Concerns

Amazon continues to direct substantial resources toward artificial intelligence infrastructure as competition intensifies among major cloud computing providers. The company raised its projected 2026 capital expenditure budget to approximately $220 billion during its second-quarter earnings update. These investments support computing capacity, data centers, and other infrastructure requirements across its expanding technology operations.

Evercore ISI analyst Mark Mahaney expects Amazon's annual capital expenditures to increase further over the next two years. His estimates place spending at approximately $320 billion in 2027, followed by another increase to roughly $370 billion in 2028. The projections highlight the financial demands of expanding computing infrastructure while maintaining investment across other business divisions.

Mahaney also forecasts negative free cash flow of approximately $50 billion annually during both 2027 and 2028. Free cash flow — the cash remaining after a company covers operations and capital investments — is a standard measure of financial flexibility. Those estimates reflect capital requirements that could exceed cash generation despite continued growth across Amazon's major business segments. The 2027 and 2028 figures are analyst estimates rather than company guidance; Amazon's own disclosures to date extend to the roughly $220 billion 2026 budget. The company's upcoming earnings reports will show whether capital plans and cash generation remain on the trajectory laid out in the second-quarter update. Taken together, the combination of a lower earnings multiple and higher spending expectations underscores the changing financial outlook surrounding the company's stock.