Turnstone Biologics Confronts Stock Plunge and Workforce Cuts Turnstone Biologics' stock has hit a 52-week low of $0.35, reflecting a 91% annual decline. The company is discontinuing its TIDAL-01 program and implementing layoffs to conserve cash. Analysts downgraded its stock, reducing price targets, as Turnstone explores strategic alternatives, including potential mergers or asset sales, to navigate its financial challenges.435