Moderna to develop three new mRNA vaccine candidates

Shares of Moderna Inc. MRNA, -3.59% gained 0.1% on Friday after the company said it is now developing mRNA vaccines for herpes simplex virus, varicella-zoster virus (against shingles), and certain types of cancer, starting with advanced or metastatic melanoma and non-small cell lung carcinoma. The company’s stock is down 13.7% over the past year, while the broader S&P 500 SPX, -2.12% is 11.4%.