WisdomTree Refreshes Traditional Asset Allocations With Pair of New ETFsETF Trends is now VettaFi. Read More --Even some of the most tried and true asset classes can benefit from upgrades. ETFs are the perfect vehicles with which to provide those improvements. WisdomTree answered that bell on January 22 when it rolled out two new ETFs — the [WisdomTree Efficient TIPS Plus Gold Fund (GDT)] and the [WisdomTree Efficient Long/Short U.S. Equity Fund (WTLS)]. Those rookie funds are the seventh and eighth, respec ...