Amazon Stock Soars After Analyst Upgrade to $355

Amazon.com Inc.'s stock price surged 3.97% on August 28, 2026, closing at $266.39 on the CBOE venue.

The boost was largely driven by a recent analyst upgrade that lifted Amazon's price target to $355 from $315, citing confidence in the company's e-commerce platform and expanding artificial intelligence infrastructure investments.

According to market data, the stock traded consistently close to the $266 level across venues on August 28, 2026, as buyers stepped in following positive research commentary.

The analyst upgrade also reflects Amazon's ambitious plans for AI infrastructure, including data center expansion and custom chips aimed at supporting generative AI workloads for both internal services and external customers.