Cambria Investment Management, the CA-based exchange-traded fund issuer better known for its alternative investment strategies (or Alts), did an encore recently by taking the “low-fee” concept a step further: it launched a zero-fee fund. Cambria’s latest product – Cambria Global Asset Allocation ETF (GAA), charges 0.00 percent in management fees. Rather, it charges a modest 0.29 percent for meeting annual …