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This paper assesses the impact of the COVID-19 pandemic on non-financial firms' valuations in the European Union (EU) using a stress testing approach. Notably, the paper investigates the extent to which the COVID-19 may deteriorate non-financial firms' value in the ten EU countries to provide a robust anchor to policymakers in formulating strategic government interventions. We employ a sample of 5342 listed non-financial firms across the selected member states that have consistent analyst coverage from 2010 to 2019. First, we estimate the input sensitivities of free cash flow and residual income models using a random effect panel employed to in-sample data. Second, based on these sensitivities, we compute the model-driven ex-post valuations and compare their robustness with actual price and analyst forecasts for the same period. Finally, we introduce multiple stress scenarios that may emanate from COVID-19, i.e., a decline in expected sales and an increase/decrease in equity cost. Our findings show a significant loss in valuations across all sectors due to a possible reduction in sales and an increase in equity cost. In extreme cases, average firms in some industries may lose up to 60% of their intrinsic value in one year. The results remained consistent regardless of the cash flow or residual income-driven valuation., Competing Interests: The authors declare no conflict of interest., (© 2022 The Authors.)

Objective: TTo measure levels of platelet-derived microparticles and soluble P-selectin in patients of acute myocardial infarction and their comparison with healthy controls., Methods: This case-control study was conducted in Department of Haematology, University of Health Sciences Lahore from April to September 2013, and comprised patients of acute myocardial infarction in group 1 and healthy controls in group 2. Platelet-derived microparticles and soluble P-selectin were measured by enzyme-linked immunosorbent assay. SPSS21 was used for data analysis., Results: Of the 80 participants, 50(62.5%) were patients and 30(37.5%) were controls. The mean levels of platelet-derived microparticles and soluble P-selectin were significantly higher in group 1 compared to group 2 (45.70±10.30 vs 10.60±0.96, and 51.46±9.30 vs 9.16±1.04, respectively) (p<0.001). There was no significant difference in levels of platelet-derived microparticles and soluble P-selectin in three intervals after acute myocardial infarction (p>0.05). Although levels of platelet-derived microparticles and soluble P-selectin did not correlate to creatinekinase-myocardial band levels (p>0.05), but there was a trend of significant correlation with cardiac troponin T (p<0.05)., Conclusions: Levels of platelet-derived microparticles and soluble P-selectin can be used as novel early diagnostic marker of acute myocardial infarction.