UBS has downgraded Sunny Optical Technology Group from "buy" to "sell," lowering its price target to HK$67.00, citing overextended stock valuation and concerns over future earnings amid macroeconomic risks. Despite strong fundamentals and a significant stock return, analysts question the sustainability of demand and the realism of aggressive EPS growth forecasts.In contrast, BofA Securities and Citi maintain "buy" ratings with higher price targets, highlighting growth potential in the automotive sector and camera modules, while Jefferies has lowered its target to HK$85.00, expressing caution over smartphone demand and growth prospects.