Berkshire Hathaway deal, startups grapple with AI, the cost of the Iran war and more in Morning Squawk

As the week kicks off, Nvidia's entry into the PC market has ignited a rally in tech stocks during premarket trading. Following a prosperous week and month for the market, investors are keen to understand the implications of this development. In political news, President Donald Trump has indicated that he is "in no hurry" to negotiate an end to the ongoing conflict with Iran. He has suggested that without a deal, there could be escalated military actions. The artificial intelligence surge has dramatically altered the landscape for startups, resetting valuations and leaving many struggling to stay afloat. According to PitchBook, nearly half of U.S. unicorn startups have not secured funding in the past three years. Companies that once boasted billion-dollar valuations, such as The Farmer's Dog and Glossier, are now classified as "fallen unicorns." Startups that last raised funds in 2021 have seen an average valuation drop of 68%, while those that secured funding in 2022 have experienced a 52% decline. In other corporate news, Berkshire Hathaway has announced a significant acquisition, agreeing to purchase Taylor Morrison Home for $6.8 billion. The deal, valued at $72.50 per share, represents a 24% premium over the previous week's closing price. This transaction marks one of the first major moves under new CEO Greg Abel and aims to strengthen Berkshire's foothold in the real estate sector. Notably, shares of Taylor Morrison are up approximately 22% in premarket trading, although Berkshire's B shares have been underperforming compared to the S&P 500 this year. On the retail front, the industry has shown unexpected resilience in the first quarter. Despite high gas prices and challenging consumer sentiments, spending has remained strong, partly due to larger tax refunds. However, companies like Walmart and Ross are cautioning that economic pressures may arise as these refunds dwindle. Furthermore, Moody's Analytics reports that the average U.S. household has incurred an additional $450 in energy costs since the onset of the Iran war, cumulatively adding up to nearly $60 billion. Looking ahead, Disney is preparing for a major advertising year in 2027, hosting key events like the Super Bowl, Oscars, and Grammys. Rita Ferro, Disney's global advertising chief, is currently engaged in upfront negotiations with advertisers. With nearly 30 years at Disney, Ferro is now at the forefront of a revitalized advertising landscape, emphasizing the importance of fandoms and the company's extensive intellectual property. Investors should remain alert to these developments as the week unfolds, with significant implications for the market and the broader economy.