Stock market today: Nasdaq, S&P 500 futures rise as investors look ahead to Nvidia earnings, jobs report

Market Overview - US stock futures are rising, led by technology stocks, as investors anticipate a crucial jobs report this week [1] - Nasdaq 100 futures increased by approximately 0.6%, while S&P 500 futures rose by 0.3% [1] Earnings Reports - Nvidia's upcoming earnings report is highly anticipated, with increased scrutiny due to concerns over Big Tech valuations and AI spending [2] - Retailers, including Walmart, Home Depot, Target, Lowe's, and Gap, are set to report earnings this week, providing insights into consumer strength [5] Significant Investments - Berkshire Hathaway disclosed a nearly $5 billion stake in Alphabet, marking a rare tech investment by the conglomerate under Warren Buffett's leadership [3][8] - As of September 30, Berkshire owned 17.85 million shares in Alphabet, valued at approximately $4.93 billion based on the last stock close [9] Stock Movements - Alphabet's stock rose by 5.5% in premarket trading following Berkshire's investment announcement [8] - Marriott Vacations shares increased by 3% after the Independent Chairman purchased $921,000 worth of stock [7] - Dell and HP Inc. stocks fell by 5% and 3%, respectively, after Morgan Stanley downgraded several major technology hardware makers [6][7] Market Sentiment - There is a cautious tone among Federal Reserve officials, which raises doubts about potential interest rate moves in the near future [4] - Bitcoin's price has dropped by 30% in over a month, indicating a shift in investor sentiment towards a risk-off approach [6]