According to @StockMKTNewz, the S&P 500 closed higher for the fourth consecutive trading day and has now recorded 38 record-high closing prices in 2025, underscoring persistent upside momentum in U.S. equities (source: @StockMKTNewz, Dec 23, 2025). For traders, this sequence of record closes is a key momentum signal often monitored alongside risk appetite in other markets, including crypto, during U.S. trading hours (source: @StockMKTNewz).

According to @ReutersBiz, the S&P 500, Nasdaq, and Dow all closed at record highs for a second consecutive day. According to @ReutersBiz, trading volume hit its highest level since April. @ReutersBiz did not report any direct cryptocurrency market moves connected to the equity rally.