From listening to various radio programmes it is apparent that large investment banks particularly Goldman Sachs, are investing in super computers. principally in America, seemingly these computers can monitor all selling and buying of shares and have algorithms that cause the super computer to act ahead of  the normal system that has alerted the super computer through the normal system to a deal on which to act. I don’t pretend to understand stocks and shares and the dealing that goes around them. But the principal of share holding is surely to help companies that you favour with your money to …