Have you been paying attention to shares of Goldman Sachs (GS) ? Shares have been on the move with the stock up 8.5% over the past month. The stock hit a new 52-week high of $809.66 in the previous session. Goldman has gained 40.6% since the start of the year compared to the 14.8% gain for the Zacks Finance sector and the 30.4% return for the Zacks Financial - Investment Bank industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, having beaten the Zacks ...