With OGE Energy Corp OGE shares up about 13 percent since Goldman Sachs added the stock to its Buy list in January, the firm believes its thesis has played out and a favorable outcome for the stock is priced in at the current valuation. Goldman Sachs analyst Michael Lapides downgraded OGE from Buy to Neutral. SourceStochastics are overbought, so we can expect a downside soon. $OGE, OGE Energy Corp / D