Shares of Trupanion Inc (TRUP) closed at $47.21 on Tuesday, near its 52-week high of$48.85, after having gained 54.8% in the past three months. Shares outperformed the industry, the Finance sector as well as the Zacks S&P 500 composite index in the same time frame. Banking on sustained revenue growth, margin expansion and operational expertise, the insurer delivered earnings surprise in each of the last four quarters.TRUP Outperforms Industry, Sector and S&P 500Image Source: Zacks Investment Research Trupa ...