Cassie Ventura, the prosecution’s star witness in the sex-trafficking case against Sean “Diddy” Combs, told jurors Tuesday about taking part in weekly drug-fueled sex parties as her yearslong relationship with the music mogul turned abusive.

Tesla investors had pinned their hopes on a refresh of the company's flagship compact SUV to reinvigorate sales.

Sean "Diddy" Combs' ex-girlfriend Casandra Ventura, a rhythm and blues singer known as "Cassie," testified at the hip-hop mogul's sex trafficking trial on Tuesday, telling the jury he would often beat...