Sirtex Share Price Up 45%

Sirtex Medical [ASX:SRX] shares are up a 45.94% today. Shares were trading at $27.48 at time of writing, after a trading halt yesterday. What's caused the increase?

Sirtex Sweats as Share Price Drops

Yesterday Sirtex requested to halt trading so they could analyse new research results. Those results came in today. Findings were less than stellar, sending the share price tumbling.
Money Morning Australia