Shares of HubSpot (HUBS) have been strong performers lately, with the stock up 27.9% over the past month. The stock hit a new 52-week high of $702.81 in the previous session. HubSpot has gained 20.8% since the start of the year compared to the 31% move for the Zacks Computer and Technology sector and the 31.6% return for the Zacks Internet - Software industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't missed our earnings consensus estimate in ...