Shenzhen Highpower Technology's falling ROCE trend over four years and lack of significant sales growth despite reinvestment raises concerns. The 29% stock drop in the last year and high current liabilities relative to total assets indicate investor skepticism and risk.

Shenzhen Highpower Technology's decreasing ROCE trend is concerning. Despite reinvestment efforts, returns are dropping and shareholder returns remained unchanged over the last year. The presence of these trends suggest greater chance of discovering a potential multi-bagger elsewhere.