Core Insights - Artificial intelligence (AI) spending is driving a bull market on Wall Street, with major tech companies expected to invest approximately $400 billion in capital expenditures by 2025, contributing to a projected $7 trillion in global data center infrastructure spending by 2030 [1][2]. Company Summaries Constellation Energy (CEG) - CEG is establishing significant partnerships with major tech firms like Microsoft and Meta, securing 20-year power purchase agreements to support their AI initiatives [4]. - The company is set to transform into a leading energy player in the AI era through a $27 billion acquisition of Calpine, enhancing its presence in energy-intensive markets like Texas and California [5]. - CEG's stock has increased by 300% over the past three years, significantly outperforming the S&P 500, and is expected to break out into a new trading range in the upcoming months [13]. Arista Networks (ANET) - ANET serves as a critical networking infrastructure provider for AI and data center environments, with major clients including Microsoft and Meta [14][15]. - The company has experienced substantial revenue growth, from $361 million in 2013 to a projected $7 billion in 2024, with expectations to reach $10.52 billion by 2026 [17]. - ANET's stock has surged 3,700% over the past decade, indicating strong long-term performance, and is anticipated to continue its upward trajectory in the fourth quarter [21].