Asian shares were mostly lower following a report that the U.S. is preparing to slap sanctions on a dozen more Chinese officials, ratcheting up tensions with Beijing. Asian shares After a strong start, Asian shares fell back, especially in China. Hong Kong’s Hang Seng HSI, -1.22% dropped 1.7%. The Shanghai Composite index SHCOMP, -0.82% sank 0.7% and the smaller-cap […]