Memory-chip maker Micron Technology (MU) late Wednesday crushed analyst estimates for its fiscal first quarter and with its guidance. Micron stock jumped in extended trading. The Boise, Idaho-based company earned an adjusted $4.78 a share on sales of $13.64 billion in the quarter ended Nov. 27. Analysts polled by FactSet had expected Micron to earn $3.96 a share on sales…
