The assessment is based on strong, converging evidence from two highly authoritative and relevant sources. The CoinMarketCap post provides a specific, recent example (a week in June 2024) where a top-ranking cryptocurrency, Bitcoin (BTC), experienced significant negative pressure, as indicated by massive ETF outflows. This directly supports the "others decreased" part of the statement. Concurrently, the CoinGecko API documentation, a primary source from a major data provider, confirms the existence of dedicated data endpoints for "Top Gainers & Losers." This institutionalizes the concept that non-uniform price movements are a standard and expected feature of the cryptocurrency market, making it highly probable that while Bitcoin was underperforming, other cryptocurrencies were increasing in value. The remaining sources were correctly identified as irrelevant, focusing on traditional stocks or unrelated markets, and thus do not contradict the findings. The combination of a specific example of a top crypto's decline and institutional evidence of divergent price movements as a market norm provides high confidence that the statement is true.