WisdomTree, the New York-based fifth largest exchange-traded fund issuer with about $38 billion in assets under management and 55 different products, has launched its sixth currency-hedged equity ETF. The latest product – the WisdomTree Korea Hedged Equity Fund (DXKW), is another attempt by the issuer to replicate the wild success of its $10.6 billion Japan Hedged Equity Fund (DXJ) that …