** Memory chipmaker Micron Technology's MU.O stock up about 1% at $159.01 in premarket trade
** Mizuho raises its target price for the Idaho-based firm to $182 from $155, citing Micron's potential ability to capitalize on the growing artificial intelligence market, especially with its high-performance memory called HBM
** We believe MU remains well positioned with leading edge Dynamic Random Access Memory nodes, driving cost downs while remaining disciplined with wafer starts - Mizuho
** 35 of 44 analysts rate the stock "buy" or higher and eight "hold" and one "sell"; median PT is $150 - data compiled by LSEG
** Micron's stock is up 87.5% YTD