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).