With the advent of new communication technologies, trading in stocks has proliferated worldwide, and sped up to such an extent that it seems as though only computer algorithms are able to follow the pace of the market nowadays. With these new technologies, the line between investing and speculation has become blurred, though the two were clearly delineated by John Maynard Keynes as early as the first half of the 20th century. Nowadays, however, there are at least four distinct types…