This was in an Offer period for a while, but that fell apart as per RNS issues on 1st July. Click below for full text:
RNS of 01 July 2009
That rather clobbered the sp but I noticed it's been going up these past few days, with a fair bit of volume. I bought (a small amount) earlier in the year, when a possible deal with Pfizer looked to be on the cards, so I'm waiting for it to bounce back into profit...