CXMT, the largest Chinese DRAM producer, rose 470% on its Shanghai listing debut.

The 470% first-day gain was not the largest recent debut among similar companies. Semight Instruments Co. surged 876% from its issue price in April, MetaX Integrated Circuits jumped 693% last December, and fellow chipmaker Moore Threads Technology Co. gained 425% from its issue price.

That comparison matters because recent Shanghai debuts in semiconductors and related hardware have drawn outsized first-day moves, making CXMT’s listing pop part of a broader run of volatile new-share trading rather than an isolated case. Even so, the headline move underscores how closely investors have been watching domestic chip listings, with each new debut being measured against the gains seen by other recent entrants.

This 470% listing pop for CXMT is not the biggest that such companies have seen in the recent past. Semight Instruments Co. surged 876% from its issue price in April, MetaX Integrated Circuits jumped 693% last December, while fellow chipmaker Moore Threads Technology Co. saw a 425% rise from its issue price.