[U.S. Stock Market Opens, Mixed Performance for Cryptocurrency Concept Stocks] BlockBeats News, on December 29, the U.S. stock market opened with the Dow Jones Industrial Average down 0.19%, the S&P 500 Index down 0.43%, and the Nasdaq Composite Index down 0.75%. Precious metal prices plunged during the day, and mining stocks generally opened lower. Regarding cryptocurrency concept stocks, MSTR rose 0.29%; COIN rose 0.01%; CRCL fell 1.24%; SBET rose 0.11%; BMNR rose 0.28%.