Core Insights - Sandisk has joined the S&P 500 index, marking a significant milestone for the company as its shares have surged due to increased demand driven by the AI boom [1][2][6] Company Performance - Sandisk's stock price increased nearly 11% on the day of its S&P 500 inclusion before settling back, reflecting strong market interest [2] - The company's shares have risen over 500% since being spun off from Western Digital in February, with a current market capitalization exceeding $31 billion [2][6] Market Context - The inclusion in the S&P 500 is generally viewed positively by investors, often leading to a short-term boost in share prices [3][4] - The vacancy in the S&P 500 was created by Omnicom Group's acquisition of Interpublic Group, highlighting ongoing market consolidation trends [4][10]
Sandisk Joins the S&P 500 Today. Its Stock Has Been a Huge Gainer This Year.