Last week, the European Medicines Agency declared AstraZeneca COVID-19 vaccine safe and effective, after several Union member states had suspended its use because of blood clot concerns. Will public trust this message? This week's news could help—a U.S. phase 3 clinical trial shows promising efficacy in preventing symptomatic COVID-19. But sentiments toward vaccines are volatile reflect externa...

We present a new approach to selecting actively managed mutual funds that uses both portfolio holdings and fund return information eliminate with predicted inferior performance through sequence of pairwise comparisons. Our methodology determines the number skilled their identities, locates substantially higher risk-adjusted returns than those identified by conventional alpha-ranking methods. fi...