At the start of the week, Wall Street exhibited upward momentum, with both the S&P 500 and Nasdaq indices climbing over 0.5%, reaching new record levels. In contrast, the Dow hovered near the flatline. Investors are closely monitoring the upcoming Federal Reserve decision slated for Wednesday, with general expectations pointing towards a 25-basis-point rate cut due to recent indicators of a weakening labor market and persistently low inflation. Tesla shares surged by 3.7% following CEO Elon Musk's announcement of a nearly $1 billion purchase of the company's stock, marking his largest open market transaction to date. Alphabet's valuation soared to $3 trillion, delivering a boost to the communication services sector, with an increase of 3.9%. Meanwhile, Nvidia managed to reduce its earlier losses after the Chinese regulatory authority accused the company of breaching anti-monopoly laws. Texas Instruments faced a decline of 3.1% after it was reported that China had initiated an anti-dumping investigation against U.S. analog chip manufacturers. Trade tensions persisted as President Donald Trump noted progress in the ongoing U.S.-China negotiations, mentioning a potential agreement related to TikTok, although concerns over tariffs and technology-related trade restrictions remain.