AppLovin Surges 11% While Tempus AI and Micron Also Outpace Most AI Stocks

Core Insights - AppLovin shares surged 11.2% last week, driven by Bank of America's defense of the stock after a post-earnings sell-off [1] - Tempus AI also saw an 11% increase, attributed to a preliminary Q4 report showing an 83% year-over-year revenue growth [1] - Micron Technology gained 4.01% as Bank of America raised its price target due to increasing AI memory demand [1] AppLovin - AppLovin's stock price increased significantly after Morgan Stanley raised its price target to $800, maintaining an Overweight rating [1] - The company reported Q4 2025 revenue of $1.66 billion, a 66% increase year-over-year, with an adjusted EBITDA margin of 84% [1] - Despite the recent gains, AppLovin is still down approximately 38% year-to-date from January highs, leading to discussions about its valuation among investors [1] Tempus AI - Tempus AI's stock rose following a preliminary Q4 2025 report indicating revenue of $367 million, an 83% increase year-over-year, and a record total contract value exceeding $1.1 billion [1] - The diagnostics segment experienced a remarkable growth of 121% year-over-year [1] - CEO Eric Lefkofsky expressed confidence in the company's strong position entering 2026, with a net revenue retention rate of 126% [1] Micron Technology - Micron's stock price increased after Bank of America raised its price target, citing accelerating demand for high-bandwidth memory in AI infrastructure [1] - The company reported cloud memory revenue of $5.28 billion in fiscal Q1 2026, nearly doubling year-over-year, with a gross margin of 66% [1] - Micron is recognized as one of the few companies capable of supplying high-bandwidth memory at scale, with 37 out of 43 analysts rating the stock as a buy or strong buy [1] AI Sector Overview - The VanEck Semiconductor ETF rose 1.8%, indicating a positive trend in the AI sector, particularly in semiconductors [1] - Software stocks are struggling, while segments like memory and networking are experiencing strong gains [1] - The broader AI market is characterized by significant divergence, with semiconductors leading the performance [1]