Bollore SA, has sold a 22.5% stake in Havas, a media group, reducing its holding to 60%. The shares were sold at 6.40 euros a share. It was sold at a discount of about 11% compared to its closing price of 7.19 euros on Wednesday. The total amount of share sold was much higher than the 17% that was announced on Wednesday. The firm said the sale included 93.9 million shares and raised 601 million euros.