"I think they should be ignored, and the focus on investors...

"I think they should be ignored, and the focus on investors should be on objectively researching business fundamentals" -

absolutely, I'm in it for the long term, this is more for my own understanding around why the stock is moving in the short term

Having bought into this stock early 2011 it's been a bit of a journey up and down on the price, so I've never been too worried before about the short-medium term as I think the science and product suite are all good. The latest downward trend has me thinking that the sector as a whole is on the nose and nothing in particular to do with MSB - although the lack of concrete announcements also doesn't help