On April 19, Gelong Exchange, photovoltaic stocks rose, and the plate index rose 1.54%. Among the constituent stocks, Shuangliang Energy Saving, Silver Star Energy and Longji shares rose more than 4%, Tongwei shares rose nearly 4%, and Saiwu Technology, Goodway, Southern Glass A, Special Electric Engineering, Solar Energy and so on all rose more than 2%. Tongwei shares issued a price adjustment announcement on the evening of the 16th. Compared with the price quoted on March 25th: the price of polycrystal diamond line 157battery is 0.70yuan / W, up 0.07yuan / W; in terms of rising single crystal, the single crystal PERC 158.75 battery is up 2 points, 0.96yuan / W; the single crystal PERC 166battery is 0.03yuan / W, 0.89yuan / W; the single crystal PERC 210battery is unchanged, 0.91yuan / W. Note: Tongwei shares were selected into the list of the top ten core potential assets of Gronghui in 2021.