午评：沪指涨0.49%，创业板指跌0.37%，贵金属、油气方向领涨， 光伏股集体下跌

Market Overview - The Shanghai Composite Index rose by 0.49% to 4160.01 points, while the Shenzhen Component Index increased by 0.09% to 14342.74 points. The ChiNext Index fell by 0.37% to 3330.39 points, and the STAR Market 50 Index decreased by 0.73% to 1544.62 points. The total trading volume in both markets reached 19,126.49 billion yuan, with over 3,300 stocks declining [1]. Sector Performance - Resource stocks experienced a collective surge, with precious metals and oil & gas sectors leading the gains. China Gold achieved four consecutive trading limit increases, Hunan Gold saw three consecutive increases, and Sichuan Gold had six increases in ten days. China National Offshore Oil Corporation (CNOOC) rose over 7%, reaching a historical high, while PetroChina and other oil service companies hit trading limits [4]. - The disperse dye concept stocks also saw significant gains, with Zhejiang Longsheng, Runtu Co., and Yabang Chemical hitting trading limits. The storage chip sector was active, with Purun Co. rising over 15% to a new historical high, and Qipai Technology hitting the trading limit [4]. - Conversely, the virus prevention concept stocks collectively declined, with Zhijiang Biology dropping over 9%. The photovoltaic sector faced a downturn, with Dongfang Risen falling over 7%, and several other companies in the sector, including Foshan and Junda, dropping over 5% [4]. Commodity Futures - Most domestic commodity futures saw an increase, with the shipping index rising over 5%. Aluminum, asphalt, and aluminum alloy rose over 4%, while alumina increased by over 3%. Gold futures rose nearly 3%, and other commodities like crude oil and fuel oil saw increases of over 2%. However, lithium carbonate fell over 2%, and stainless steel, nickel, and polysilicon dropped over 1% [4].