Shares of memory chip maker SanDisk (NASDAQ: SNDK) surged 21.5% today.HSBC analyst Alastair Pinder noted that investors believe AI hyperscalers such as Google, OpenAI, and Anthropic are overspending on AI capabilities. While this may impact these companies’ profitability, it greatly benefits AI memory chip suppliers like SanDisk, thereby driving the stock price higher.Prior to this, SanDisk’s stock price had fallen nearly 37% over the past four trading days.