https://www.siliconvalley.com/2020/06/16/coronavirus-upbeat-treatment-report-spurs-stock-markets-rise/ > Apple, Intel and Tesla were among Bay Area companies that joined in a broad stock market really Tuesday that was fueled by reports of a positive treatment for coronavirus and a strong surge in U.S. retail sales in May. > Enthusiasm was stoked after researchers at Oxford University said the results of a trial using the steroid dexamethasone reduced death rates of patients treated with the medication by one-third. Researchers behind the trial called its results a “a major breakthrough” and that its inexpensive price makes it easy to get into widespread use.