I don't know but it's fun isn't it
The market movements appear to be getting more and more unpredictable to me, especially seeing as we have a much healthier balance of exchange volumes where any one of them could be taking the lead on a move. I therefore find it harder even to correlate a movement with news/new service events let alone to assign causation. So I do find it amusing that some here insist with such certainty what is the cause of what
Not trying to teach my grandmother to suck eggs rpietila but did you ever see the quirky BBC tv programme called QI with Stephen Fry? They put in some questions to which there is no known answer - and if somebody spots it the screen shows a massive:
....and the big booming voice says:
I think of this often these days when someone asks why a market move is happening
Edit: I just realised after posting you're asking not why the market is moving as it is but why the wikipedia hit explosion! Ah well. My answer therefore does not refer to your post at all but I'll leave it there because I like it