U.S. stock futures declined on Tuesday after the major averages began the second half of 2024 on a positive note, with tech stocks leading the market's rise. In Monday's regular trading, the Dow rose by 0.13%, the S&P 500 by 0.27%, and the Nasdaq Composite by 0.83%. Technology, consumer, and financial stocks outperformed the market, while materials, industrial, and real estate stocks lagged. Mega-cap stocks showed strong growth, with Tesla up 6.1%, Apple up 2.9%, Amazon up 2%, Microsoft up 2.2%, and Broadcom up 2.2%. In terms of data, the ISM manufacturing PMI indicated an accelerated contraction in the manufacturing sector, with demand and employment declining and price pressures easing. Traders are also anticipating several other key indicators this week to assess economic performance and monetary policy outlook, including the employment report, JOLTS, the ISM services PMI, and the latest FOMC meeting minutes.