Shares of StoneX Group Inc. (SNEX) have been strong performers lately, with the stock up 14.2% over the past month. The stock hit a new 52-week high of $98.16 in the previous session. StoneX Group has gained 48.7% since the start of the year compared to the 8.7% gain for the Zacks Finance sector and the 4.3% return for the Zacks Financial - Miscellaneous Services industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, having beaten the Zacks Consensus Estimat ...