I hate to question your math, but we closed on Friday at 2.74. We closed today at around 2.91. You say we went from 2.74 to 2.91 by losing 5% each day? That's some 'new' math I suppose. This has proven to be a good good week so far if you're long.
29th of May was the upgrade announcement from which there was a (one day) pop. Look at what was occurring from 21 May to 29 May. Yes you got a one day pop from the upgrade but the trend was clearly headed back down with the exception of that one day event. Look at the CMF going back to 21 May, this stock is not being bought, it's largely being sold.
The closing price today is below the opening price on the day of the upgrade. Look to similar one day events, on 30 Mar (Royalty Pharma deal) stock closed at 2.87 (about where it is today), 13 Apr (Cantor says 'buy', of course Cantor is SNSS's banker so that comes as a big surprise). Again, closing price today is about where it closed on that day.
Yes SNSS has gained a lot since 5 Mar 2012, and if you're a trader of SNSS stock and are looking to scalp ten percent in a week you have had an opportunity to make a lot of money.
On the other hand, if you are one of the stupid bag holders who paid two, three, ten, or twenty times today's stock price years ago now -- and I am one of those people -- you're just another bag holder who is looking at just another one or two day pump and dump on just another pump and dump stock.
Go back and look at the prices from 12 May 2011 to 31 May 2011. The prices track almost exactly those prices for these dates in 2012.
If you bought SNSS in May of 2010 I don't think you would be nearly as excited as you are.