By Josh Beckerman 
 

Arrowhead Pharmaceuticals Inc. (ARWR) shares rose 7% to $20.28 as the company was selected to join the S&P SmallCap 600, effective Friday.

Meanwhile, S&P Dow Jones Indices said is removing construction company Orion Group Holdings Inc. (ORN) from the SmallCap 600, as it "has a market capitalization that is no longer representative of the small-cap market space."

Orion shares fell 4% to $2.23 after-hours.

 

Write to Josh Beckerman at josh.beckerman@wsj.com

 

(END) Dow Jones Newswires

May 20, 2019 20:04 ET (00:04 GMT)

Copyright (c) 2019 Dow Jones & Company, Inc.
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