BGMC International's high P/S ratio may be due to expectations of outperforming the industry. However, with recent poor growth and expected industry growth, these prices may not last. Unless recent medium-term circumstances improve, shareholders may face a tough period.

Despite BGMC's significant revenue drop, their P/S ratio aligns with industry norms, indicating tentative investor optimism for business recovery. Yet, if P/S aligns with recent negative growth, shareholders may face disappointments. Positive sentiment may not last without significant improvements.