Why Did Micron Stock Pop Again Today?

Group 1 - Micron's stock has increased by 3.7% due to the tight supply and rising prices of high-bandwidth memory (HBM) [1] - Cisco Systems reported strong earnings but warned that high memory costs may impact future profits, highlighting the tightness in the DRAM memory chip market [1] - Samsung has started shipping its latest HBM4 chips to capitalize on high prices, while SK Hynix is also increasing HBM production [2] Group 2 - Micron has begun high-volume production of HBM4, contributing to the competitive landscape in the HBM market [2] - The current tight supply and rising prices are boosting Micron's profits, but increased production from competitors may eventually lead to a supply surplus and lower prices [4] - The semiconductor industry remains cyclical, indicating that the current boom for Micron may not be sustainable in the long term [5]