中银量化大类资产跟踪：A股震荡上行，贵金属表现突出

• The report does not contain any specific quantitative models or factors for analysis[1][2][3] - The report primarily focuses on market trends, style performance, valuation metrics, and fund flows without detailing quantitative models or factor construction[1][2][3] - Key metrics such as PE_TTM, ERP, and style indices are discussed, but no explicit quantitative model or factor development process is provided[1][2][3]