Shares of JinkoSolar Holding Co., Ltd. JKS jumped nearly 21% after the company reported second-quarter 2020 earnings of 93 cents, beating the Zacks Consensus Estimate of 40 cents.Johnson & Johnson’s JNJ shares rose 0.2% after the company reported that it had launched a global Phase 3 trial of its COVID-19 vaccine candidate.Shares of SPI Energy Co., Ltd. SPI surged more than 100% after the company launched a new electric vehicle subsidiary.MediciNova, Inc.’s MNOV shares rose 8.1% after the company reported its intranasal SARS-CoV-2 vaccine prototype for COVID-19, using BC-PIV technology has successfully induced systemic serum IgG and mucosal IgA neutralizing antibodies against the S1 antigen (Ag) of SARS-CoV-2 in mice.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Johnson Johnson (JNJ): Free Stock Analysis Report JinkoSolar Holding Company Limited (JKS): Free Stock Analysis Report MediciNova, Inc. (MNOV): Get Free Report SPI Energy Co., Ltd. (SPI): Get Free Report To read this article on Zacks.com click here. Zacks Investment Research