why up today?(stock went down on same news)
looks like shorts
CXRX shares were down nearly 15% at $56.76, earlier falling to a post-IPO low of $53.00 a share. The stock already had slipped nearly 5% since the company priced its initial public offering of stock on August 26.
Source:
https://research.tdwaterhouse.ca/research/Stocks/NewsArticle/ca/CXR?documentKey=1413-A1050977-49HJ6H818RI1L4L357EMMVH391