Montage Technology's stock surged 5.09% during intraday trading on Thursday. The significant rise is attributed to two primary catalysts: its inclusion in a major index and strong tailwinds from the memory chip sector.

The company was added to the FTSE China A50 Index, with the change taking effect after the market close. This inclusion is expected to trigger substantial capital inflows from passive funds that track the index, estimated between 65 to 90 billion RMB, providing a strong technical boost to the stock.

Furthermore, the broader storage and memory chip industry is experiencing a powerful upcycle. A severe supply-demand imbalance is driving prices higher across memory, HDDs, and SSDs, with analysts projecting the shortage may persist until at least 2028. Montage Tech, as a leader in memory interconnect chips, is a key beneficiary. The company's strategic products, like PCIe Retimer which is now in volume shipment, and its expansion into the higher-value PCIe Switch market, position it well to capitalize on the AI-driven demand surge, where servers require significantly more memory.