PSI is trading at $154.79 (+1.52%) amid firmer semiconductor sentiment after Micron reported stronger-than-expected results. - Micron reported record fiscal fourth-quarter revenue of $54.23 billion; semiconductor shares rallied in other markets, with reports linking the gains to its results and outlook. - No PSI-specific announcement explaining the October 1 move was found. Broader U.S. indices provided no same-direction support in the supplied context.