Moderna Shares Soar on Success of Novel Melanoma Cancer Vaccine

Plus: Target’s second-quarter sales suggest the retailer’s turnaround is working. And Cantor Fitzgerald plans to give its hedge-fund clients access to Kalshi’s prediction markets. Alex Ossola hosts. Sign up for WSJ’s free What’s News newsletter . An artificial-intelligence tool assisted in the making of this episode by creating summaries that were based on Wall Street Journal reporting and…