Whe the Devil Laughed

We haven't had one single year in recorded history, that hasn't seen a war somewhere on the planet. Not surprising that the old devil keeps laughing. And, look at our ingenuity, when it comes to crimes, and wrongdoings. Like in this story, where some smart, and intelligent people, decides to perfect time-travel. For what reason? To help mankind? No, these people knows today's financial market. They want to go back in time, and invest in companies that are doing well today, and so corner the...