Top French football club Paris Saint-Germain is getting a new shareholder. The private equity firm Arctos Partners is investing in the club, but will have no influence on football matters, the Ligue 1 side announced on Thursday. According to the sports magazine L’Équipe, Arctos will hold 12.5% per of the shares in PSG. PSG owner Qatar Sports Investments, which has helped the club to the top of the French game and made them European contenders, intends to use the new investment to support the club’s plans for a new stadium and training centre. Arctos will also help drive PSG’s international exp…