Not only do they prevent sign on IDs of those who disagree with their wall st promotional style but they have now gone a step further . While allowing sign on everytime a person is signed on they attack the PC by making all web browser jitter and shake . I first thought this was my keyboard with a sticking key until killing the webrowser connected to marketwatch.com immediately stopped the problem. I retried this a number of times on consecutive days with the same result. I guess they will go to all kinds of lengths to promote their views of the stockmarket only.