According to @ReutersBiz, the Federal Reserve chief issued a semi-warning about elevated U.S. stock market valuations as traders enter the final quarter, highlighting top business and finance stories to watch this week (source: Reuters Business). Given the documented rise in correlation between cryptocurrencies and equities since 2020, Fed signals on valuations can transmit to Bitcoin (BTC) and Ethereum (ETH) through risk sentiment and liquidity channels, affecting near-term volatility and trading conditions (source: International Monetary Fund, Crypto Prices Move with Stocks, 2022; Bank for International Settlements, Quarterly Review 2022).