Guggenheim Investments, the eighth largest US issuer of exchange-traded funds with $27.5 billion in ETF assets-under-management, and the first to launch the so-called strategic/smart beta products, recently rolled out an ‘optimized’ strategic-beta product targeting the large capitalization US stocks. The newly minted Guggenheim Large Cap Optimized Diversification ETF (OPD) seeks to replicate the performance of the Wilshire Large Cap Optimized …