The evidence from multiple high-authority and highly relevant sources consistently supports the statement. One primary source from CoinMarketCap provides a direct market analysis describing the exact phenomenon: a market rotation causing a "parabolic rally" for BNB Chain tokens, which was immediately followed by "profit-taking," a term for selling that causes prices to decrease. This directly corroborates the statement's claim of a decrease following an increase.Furthermore, this general analysis is supported by specific, concrete examples. One source provides data for Baby Doge Coin, a well-known meme token on the BNB Chain, noting it is down 89% from its all-time high and had only 14 positive trading days in the last 30, clearly indicating a price decrease after reaching a peak. Another source presents price data for PIEBSC, a token on the BNB Smart Chain, showing a drastic fall from a 90-day high of over $9,500 to a 30-day low of $0. Finally, an analysis of PancakeSwap (CAKE), the primary decentralized exchange for meme tokens on the BNB Chain, serves as a strong proxy, indicating volatility and bearish trends in the ecosystem. The collective weight of this direct analysis and specific token data makes a strong case for the statement's truthfulness. The few irrelevant or contradictory sources are either not specific to BNB Chain meme tokens or lack the authority and relevance to challenge the main body of evidence.