本周，这只小盘股将跻身标普500

Core Viewpoint - Sandisk will join the S&P 500 index on November 28, 2023, following a significant rise in its stock price and market capitalization, marking a notable transition from the S&P SmallCap 600 index [1][6]. Group 1: Company Performance - Sandisk's stock price surged by 13.3% after the announcement and increased by an additional 9.4% in after-hours trading, reaching $248.39, with a current market capitalization of approximately $33 billion [1]. - The company has seen its stock price increase over four times since the split from Western Digital in February 2023, with a nearly 400% rise in the last three months [1][5]. - In the first quarter of fiscal year 2026, Sandisk reported revenues of $2.308 billion, a 23% increase year-over-year, and expects second-quarter revenues between $2.55 billion and $2.65 billion, with diluted earnings per share projected between $3.00 and $3.40 [5]. Group 2: Market Dynamics - The NAND market outlook has turned highly optimistic, driven by increased investments in AI and data center infrastructure, which has positively impacted Sandisk's high-capacity, energy-efficient SSD business [5][6]. - Analysts have raised Sandisk's target prices due to anticipated benefits from AI-driven storage demand, with Jefferies increasing its target from $60 to $180 and maintaining a "Buy" rating, while Mizuho raised its target from $180 to $215, citing ongoing supply constraints in the NAND market [6]. Group 3: Industry Context - Sandisk will replace Interpublic Group of Companies in the S&P 500 index, highlighting a trend where the index increasingly favors companies from the internet, software, and semiconductor sectors [1][6]. - The NAND flash memory market, which Sandisk operates in, is characterized by non-volatile storage solutions that are essential for SSDs, USB drives, and smartphones, indicating a robust demand environment [5].