On Friday, Selective Insurance earned an upgrade to its Relative Strength (RS) Rating, from 70 to 74.

As you try to find the best stocks to buy and watch, keep a close on eye on relative price strength.

This unique rating tracks market leadership by using a 1 (worst) to 99 (best) score that indicates how a stock's price performance over the trailing 52 weeks matched up against all other stocks.

Decades of market research reveals that the stocks that go on to make the biggest gains typically have an 80 or higher RS Rating as they launch their biggest climbs. See if Selective Insurance can continue to show renewed price strength and hit that benchmark.

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Selective Insurance is working on a flat base with an 86.35 entry. See if the stock can clear the breakout price in volume at least 40% above average.

In terms of top and bottom line numbers, the company has posted rising EPS growth over the last four quarters. Sales gains have also increased during the same period. The company is expected to release its next quarterly numbers on or around Oct. 28.

Selective Insurance earns the No. 2 rank among its peers in the Insurance-Property/Casualty/Title industry group. First American Financial and Selective Insurance are also among the group's highest-rated stocks.