Century Aluminum Falls, Alcoa Rises After Norsk Halts Alumina Refinery By: TalkMarkets October 03, 2018 at 13:46 PM EDT Following the announcement shares of Century Aluminum are down 13%, or $1.59, to $10.31 while Alcoa is up 7%, or $3.01, to $44.58. Read More >> Related Stocks: Alcoa Corp Century Aluminum C Norsk Hydro ADR