High P/S ratio may reflect investors' optimism for the company's future performance. However, considering the company's recent average growth rates, investors might face disappointment if the P/S aligns with these rates. Current medium-term conditions question the reasonableness of these prices.

The company's financial performance, marked by declining revenue and lack of profit, explains the significant drop in share price. Last year's performance, worse than the annualised loss of 3% over the last half decade, suggests unresolved challenges. Investors are advised to tread with caution.