Micron Technology's stock has risen by almost 9x over the past twelve months, taking its market capitalization above $1.2 trillion - among the largest single-year gains in the company's four-decade trading history. The rally is driven by surging demand and a shortage of high-bandwidth memory that is used alongside AI accelerators in data centers. Hyperscalers, including Microsoft (MSFT), Alphabet (GOOG), and Meta (META), are projected to spend roughly $700 billion on AI infrastructure this year,