Portola's stock falls on weak Andexxa sales

Portola's stock falls on weak Andexxa sales

Source: 
Marketwatch
snippet: 

Shares of Portola Pharmaceuticals Inc. PTLA, -40.34% tumbled 45% in trading on Friday after the company shared "disappointing" preliminary fourth-quarter revenue for Andexxa, its antidote for patients treated with anticoagulants.