Jan 28 (Reuters) - Ethos Technologies and some of its shareholders raised about $200 million in a U.S. initial public offering, the ​insurance platform said on Wednesday. The company and the selling shareholders ‌sold 10.5 million shares at$19 apiece, the midpoint of its targeted range of $18 to$20 a ‌share. The IPO valued Ethos at about $1.2 billion, based on the number of shares outstanding mentioned in its prospectus. Ethos, backed by venture capital firms Accel and Sequoia, said its platform and ...