decliner
noun[C]
uk/dɪˈklaɪnər/usSTOCK MARKET
asharethatfallsinpriceover aparticularperiod, or acompanywhosesharesfallinpriceover aparticularperiod:
Thesharesare thebiggestdecliner in U.S.tradingtoday.
Thecompanywas theheaviestblue-chipdecliner, down 17.25p to 200.75p.
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advancer
declining share