Goldman Sachs made headlines in May when it launched its first Twitter account.

"We are now live on Twitter (finally) at the GS Annual Meeting," the investment bank's inaugural tweet read. "Follow us here for updates on our work, our research, and our people."

A company joining Twitter might usually go unnoticed, but the financial services industry has been slow to jump onto social media platforms. Goldman Sachs and others are now becoming more transparent and looking to connect directly ...