Despite Hangjin Technology's revenue decline, its high P/S ratio may reflect investor expectations of future outperformance. However, slower revenue growth and a high P/S ratio pose a risk of share price decrease. The current share price may be unreasonable unless medium-term conditions significantly improve.

Despite poor fundamentals, Hangjin Technology's stock has gained 208% over the last five years, reflecting investor optimism. However, current fundamentals suggest avoiding this stock for now.

Concerns rise over Hangjin Technology's sinking ROCE trend and diminishing returns despite more capital usage. Stock uplift shows investor optimism, but current fundamentals lack assurance. Caution advised with this stock.