Towards the end of July, the Roundhill Memory ETF (DRAM) made adjustments to its portfolio, once again incorporating A-share company ChangXin Technology, which now holds a 2.52% stake, positioning it as the 8th largest constituent. Meanwhile, GigaDevice Semiconductor's allocation was reduced to 1.51%, slipping to the 10th largest position. The top ten holdings of this ETF are comprised of global leaders in the chip sector, including industry giants like Samsung Electronics and Micron Technology.