电网设备进入加速阶段，通信设备维持上升趋势

• The report highlights the strong performance of energy and chemical stocks in March, but notes their lack of continuity compared to sectors like electric grid equipment and MiniLED, which showed more consistent trends [5] - The top 20 stocks by March gains include companies from various sectors such as chemicals, natural gas, oil services, MiniLED, and electric grid equipment, with notable mentions like Lingwei Technology (+70.83%) and Huacan Optoelectronics (+54.72%) [5] - The analysis suggests that AI hardware and electric grid equipment sectors exhibit better continuity in their upward trends, making them more favorable for investment consideration [22]