http://www.reuters.com/article/2013/10/06/us-storm-karen-idUSBRE9920GB20131006
"All tropical storm warnings have been discontinued," the center said in an advisory. "There are no coastal tropical storm warnings or watches in effect."
U r both right, the market is of course affected by news items, but the real question is how much by? maybe a few points, maybe a major change in direction? All depends on the news.