Malaysia’s anti-corruption agency on Monday questioned former economy minister Rafizi Ramli over a billion-ringgit semiconductor deal with British chip designer Arm Holdings, escalating a politically sensitive inquiry that has swept up ministers, senior officials and one of Prime Minister Anwar Ibrahim’s most outspoken former allies. Rafizi, the Pandan MP and a former senior figure in Anwar’s reformist People’s Justice Party, arrived at the Malaysian Anti-Corruption Commission’s (MACC)...