Market Overview - The S&P 500 Index is expected to rise over 17% by the end of 2025, continuing a bull market driven by enthusiasm for artificial intelligence [1] AI Sector Performance - The AI trade has expanded, with chip stocks leading the S&P 500, alongside companies involved in building data centers that support AI technology [2] - Data storage companies emerged as significant beneficiaries of the substantial investments from AI cloud service providers, known as hyperscalers, which have pledged over $440 billion for AI capabilities [4] Winners in the Market - Technology stocks, particularly those linked to AI, dominated the market, with a shift in leadership towards companies associated with data storage and data center infrastructure [4] - Notable companies added to the S&P 500 in 2025 include Robinhood, Sandisk, AppLovin, and Carvana, all achieving triple-digit percentage gains [5] - Palantir Technologies is set to achieve a triple-digit gain for the third consecutive year, driven by AI enthusiasm and strong retail trader interest, although it is now considered expensive with a forward earnings multiple exceeding 180 [7] Losers in the Market - Not all new S&P 500 additions performed well; Trade Desk experienced a nearly 70% loss, while Block and Coinbase saw declines of over 20% and 6%, respectively [6]