By Charlie Conchie Aston Martin has bagged a major investment from Saudi Arabia’s Public Investment Fund today in a £654m capital raise to bolster its balance. The iconic British car firm said the investment from the Saudi sovereign wealth fund made it a new “anchor shareholder” with an 18.7 stake in the firm. The round has also seen Chinese carmaking giant Geely snap up a 7.6 per cent stake. Aston Martin boss Lawrence Stroll said the cash would boost the firm’s financial position. “I am delighted that we have successfully completed this transformational capital raise which significantly stren…