Earnings live: Qualcomm stock dives as memory chip shortage weighs on outlook, Alphabet boosts AI spending

Group 1 - The fourth quarter earnings season is ongoing, with major companies like Alphabet, Amazon, AMD, Qualcomm, and Palantir reporting results [1] - As of January 30, 33% of S&P 500 companies have reported their fourth quarter results, with an estimated 11.9% increase in earnings per share, marking the 10th consecutive quarter of annual earnings growth for the index [2][4] - Analysts initially expected an 8.3% increase in earnings per share, which was revised upwards due to strong performance from tech companies [4] Group 2 - Big Tech results are influencing market trends, with ongoing capital expenditures and themes such as artificial intelligence and economic policies continuing to impact investor sentiment [5] - Upcoming earnings reports will include updates from companies like Disney, Chipotle, PepsiCo, Uber, and Snap, indicating a broad interest in various sectors [5]