AstraZeneca slides after announcing its COVID-19 vaccine candidate is 70% effective

AP Photo/Ted S. WarrenShares in AstraZeneca slid 2% on Monday after the company released results that showed its COVID-19 vaccine is just 70% effective, compared with rates of above 90% for those of its two biggest rivals.The Oxford/AstraZeneca vaccine is cheaper to produce and easier to transport than those of US peers Pfizer and Moderna, but is clearly less effective than the other two.AstraZeneca said its vaccine can be stored in normal refrigerated conditions.Visit Business Insider's homepag