Micron is benefiting from booming demand for AI infrastructure.Even before Micron's (MU 2.28%) earnings report on Sept. 23, shares of the memory chip manufacturer had already logged an impressive month-to-date gain. Strong results and guidance ultimately led the stock even higher to close out September. Micron stock gained 40.6% last month, according to data provided by S&P Global Market Intelligence, largely thanks to booming demand for artificial intelligence data centers. Scrambling for AI computing capa ...