advancer
noun [ C ]
STOCK MARKET uk/ədˈvɑːnsər/ us/ədˈvænsər/a share that increases in price over a particular period, or a company whose shares increase in price over a particular period:
Decliners outnumber advancers by 19 to 13 on the Nasdaq and by 20 to 13 on the NYSE.
Compare
decliner
See also
advancing share