ZK International (ZKIN) jumping 18% after White Diamond Research, which typically published short reports, wrote a "rare bullish" piece on ZKIN on Seeking Alpha.ZK's xSigma is doing "big things" like starting a new DeFi platform, a cryptocurrency ETF, and soon starting its own crypto coin.ZKIN's legacy steel pipe business is "consistently profitable," and alone is worth about $2.50 per share.White Diamond has a $10 price target on ZKIN and says if DEX becomes a top DeFi platform with a popular crypto coin, it could reach $20-$30.Recall Dec. 28, ZK International surges 163% PM as subsidiary completes development of smart contract.