Rare bit of up on a very down day ... Acadia Pharma (yes, another biotech stock) moving up from the open, quietly though, not sure I would have noticed ... but at lunchtime it got unusually active and I probably wouldn't have missed it (no scanner report from last night available, but I can guess).

By the time this news appeared, the top was in of course:

Acadia Surges as Canceled Events Lead to Deal Speculation 2:36 PM EDT March 10, 2015