Shares of Taysha Gene Therapies were down more than 10 percent after a patient’s death marred positive interim data for the company’s experimental gene therapy treatment for Sandhoff and Tay-Sachs diseases, which are two forms of GM2 gangliosidosis.

Genetics company 23andMe announced the launch of a new consumer genetic test service on Wednesday that will show whether an individual carries genes associated with 36 different disorders, such as […]