https://www.reuters.com/article/us-toshiba-shareholders/exclusive-toshibas-no-2-shareholder-calls-for-immediate-resignation-of-board-chair-3-directors-idUSKCN2DP01C >Toshiba Corp's second-biggest shareholder on Sunday demanded the board chairman and three other directors resign immediately after an investigation found the company had colluded with the Japanese government to pressure foreign investors.