U.S. stock futures exhibited mixed movements as investors prepared for the Federal Reserve's final policy meeting of the year. Following a nine-day losing streak, the Dow Jones Industrial Average closed lower, marking its longest decline since 1978. On December 17, the Dow fell by 0.6%, while the S&P 500 and Nasdaq dropped by 0.4% and 0.3%, respectively. The Russell 2000 experienced a decline of 1.2%. In contrast, Bitcoin saw a modest increase of 0.8%. Market participants are closely monitoring the Fed's decision amid concerns over economic data indicating solid consumer spending. The overall sentiment remains cautious as traders await the outcome of the meeting, which could influence future market directions.