The dollar has taken a surprisingly big stumble in recent weeks, prompting traders to ask: What’s really driving the selloff? The answer some are coming up with smacks of conspiracy theory. Rumors are flourishing that global policy makers made a secret deal at the G-20 meeting in Shanghai late last month. This “Shanghai Accord” to weaken the greenback was aimed at calming the financial markets, which had gotten off to an awful start to the new year, according to the chatter. If you are unable to follow the link, please click here for a PDF Version.