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Amazon.com (AMZN)’s Long-Term Outperformance Highlights the Risks of Paying Premium Valuations

JB Global Capital, an investment firm, released its fourth-quarter 2025 investor letter. A copy of the letter can be downloaded here. During Q4 2025, JB Global Capital reported an 8.9% decline, largely driven by a sharp drop in Alibaba, its largest holding, while global markets posted modest gains. Despite the quarter’s setback, the fund delivered a strong full-year return of 67.5% and stands at 108.9% since inception, outperforming major benchmarks. The letter explains that 2025 market gains were heavily concentrated in a small group of mega-cap tech companies, which the fund largely...