Tus-Design Group's revenue decline and lower growth could explain its low P/S ratio. Investors may anticipate continued limited growth, hence the reduced stock price. If medium-term revenue trends persist, share price may not rise soon.

Tus-Design Group's share price decline may be due to market downturn. Temporary negative earnings per share could turn profitable if conditions improve. However, long-term share price weakness could be a warning sign for contrarian investors.