One of the better-performing financial stocks over the past few days hasn't been a famous bank or a prominent credit card company. Booking a share price gain of nearly 26% over the course of this week, according to data compiled by S&P Global Market Intelligence, was insurance company Root (ROOT -0.63%). A significant analyst price target raise was a key reason for this.Potential to motor well higherOn Tuesday, Keefe, Bruyette & Woods' Tommy McJoynt lifted his fair value assessment for Root to $150 per shar ...