Shares of Micron Technology (MU 0.01%) rallied 16.5% this week through 12:30 p.m. ET Friday, according to data from S&P Global Market Intelligence. Micron is one of only three major producers of DRAM memory, which is a key building block of all computing systems, and of course especially artificial intelligence (AI) systems. On Wednesday, the company released its fiscal second-quarter earnings report, which blew away expectations. Furthermore, guidance also showed strong sequential growth, as memory prices ...