钙钛矿电池概念反复活跃，杭萧钢构涨停

Group 1 - The core viewpoint of the news highlights the active interest in perovskite battery technology, particularly its application in space photovoltaics, leading to significant stock price increases for related companies [1] - Companies such as Hangxiao Steel Structure, JinkoSolar, Trina Solar, and JA Solar have seen stock price increases of over 5% due to their focus on perovskite technology [1] - The recent surge in attention towards perovskite technology among photovoltaic companies indicates a growing trend in the industry, potentially opening new investment opportunities [1] Group 2 - Hangxiao Steel Structure has a recent stock price of 3.27 with a one-year increase of 28.24% [2] - JinkoSolar's stock price is currently at 18.90, with a one-year decline of 10.34% [2] - Trina Solar's stock price stands at 17.23, showing a one-year increase of 36.75% [2] - JA Solar's stock price is 102.61, with a one-year increase of 59.83% [2]