Zhejiang NetSun's high P/S ratio is alarming considering its recent limited growth. Investors are banking on a business turnaround. However, without a significant medium-term performance improvement, the P/S ratio may drop, potentially leading to a share price decline.

Despite Zhejiang NetSun's poor performance, the market remains optimistic. However, long-term share price weakness could be a bad sign, with 2 warning signs investors should note.