Small-cap firm CleanCore climbs after hoarding 500 million dogecoins

** Shares of CleanCore ZONE.A rise 12.3% to $4.49 premarket

** The cleaning supplies maker says its new corporate arm named House of Doge has now accumulated more than 500,000,000 dogecoin as a part of its corporate treasury plan

** Says it is the halfway to its first milestone of acquiring 1 billion DOGE within 30 days

** Co's heap of dogecoin, acquired after co closed private placement and also announced stock offering, is worth ~$143 million based on latest prices

** ZONE's market value was $54.8 million as of last close

** In the long term, co aims to secure 5% of dogecoin's total circulating supply, which CoinGecko estimates is about 150.9 billion

** Bitstamp by Robinhood is the custodian for the tokens, ZONE said on Tuesday

** Dogecoin DOGE=KRKN trades near a three-week high at $0.2876730; the token were worth about $39.2 billion, per CoinGecko

** Conceived as a joke during an earlier crypto bubble, dogecoin has steadily gained popularity, partly due to the support of Tesla TSLA.O, and the world's richest man, Elon Musk

** YTD, stock has tripled in value