Coinspeaker AZN Stock Lost 4% while AstraZeneca Coronavirus Vaccine Shows Positive Results in Early TrialsData from AstraZeneca’s clinical trials of its COVID-19 vaccine candidate AZD1222 shows promising results but AZN share price has refused to be positively impacted.AZN Stock Lost 4% while AstraZeneca Coronavirus Vaccine Shows Positive Results in Early Trials