Despite declining revenue, the company's high P/S ratio may reflect investor optimism. However, if the ratio aligns with recent negative growth, shareholders may face disappointment. The high P/S ratio and falling revenue pose significant risk to investors.

Nanning Department Store's high P/S ratio is alarming due to its recent poor growth. If the P/S aligns with the negative growth rates, shareholders could face disappointment. The current high P/S ratio, unsupported by recent revenue performance, poses a risk to shareholders and deters potential investors.