https://www.reuters.com/article/us-samsung-elec-kwon/samsung-electronics-ceo-kwon-announces-shock-resignation-as-profits-surge-idUSKBN1CI03P >Samsung Electronics Co Ltd said on Friday its CEO and Vice Chairman Kwon Oh-hyun plans to step down from management, deepening concerns over a leadership vacuum at the tech giant after group scion Jay Y. Lee was jailed for bribery.