Group 1 - The "tap-to-pay" concept stocks are showing active performance, with the sector experiencing a strong upward trend [1] - Lens Technology (300433) surged by 12.48%, leading the sector, while Fudan Microelectronics (688385.SH) rose by 11.27%, and Obi Optical (688322.SZ) recorded a 4.34% increase [1] - The upward trend continued in the afternoon session for these three companies [1] Group 2 - Market analysis indicates that the penetration of near-field communication technology in smartphones, wearable devices, and IoT devices is continuously increasing [1] - The "tap-to-pay" interaction method, primarily driven by Alipay, is rapidly gaining popularity, with user numbers exceeding 100 million, becoming a new entry point for offline interactions [1] - This trend is expected to drive a new round of growth opportunities for related companies in the industry chain [1]