Multiple authoritative and relevant sources indicate that on February 26, 2024, U.S. stock market indices opened with mixed performance. Reuters' global markets report from that date provided primary, real‑time coverage of world and U.S. market movements, confirming that major indices such as the S&P 500, Dow Jones, and Nasdaq showed divergent trends at the open. Complementary coverage and data on platforms such as CNBC Pro supported this characterization, noting market variation amid ongoing macroeconomic developments. In parallel, real‑time trading data for cryptocurrency‑related stocks, including Riot Platforms and Marathon Digital Holdings, showed differing trajectories—one positive, the other negative—consistent with mixed performance within the crypto‑linked equity sector. The sources are credible financial outlets providing primary data, and they show no contradiction regarding these trends. Therefore, the evidence coherently supports that both U.S. indices and crypto‑related equities exhibited mixed activity on that date, making the statement highly likely to be true.