On Monday, strong first quarter results from Goldman Sachs (GS) served as a nod to the notion that investment banking is strengthening. Notably, JPMorgan (JPM) and Morgan Stanley (MS) have been able to impressively exceed their quarterly expectations as well. However, Goldman Sachs’ superb Q1 report has caused the most excitement in this regard, and investors may be wondering if it’s time to buy stock in the finance titan. Q1 Review At the moment the Zacks Finacial-Investment Bank Industry is in the top 16% ...