Multiple outlets report that investors are increasingly using a “pair trade” in China’s artificial intelligence sector, driven by sharp stock gains for one company seen as outperforming in the race to commercialize AI models. Bloomberg and the Financial Post both describe how traders are buying the perceived winner while taking positions against a rival viewed as falling behind. The reports cite very large single-stock rallies, with the winner’s shares rising roughly 139% to 170% over the period discussed. The idea behind the strategy is that relative performance between the two firms may diverge further, allowing investors to profit from the spread rather than broader market moves. Both sources frame the movement as a market-driven bet on which company is more likely to translate AI capability into commercially viable products, while acknowledging that the approach is based on expectations of continued outperformance versus underperformance. Overall, the coverage indicates growing momentum and participation from trading activity specifically tied to relative stock performance within China’s AI theme.