Cactus had its Relative Strength (RS) Rating upgraded from 65 to 75 Wednesday -- a welcome improvement, but still short of the 80 or better score you prefer to see.

When looking for the best stocks to buy and watch, one factor to watch closely is relative price strength.

This exclusive rating from Investor's Business Daily measures market leadership with a 1 (worst) to 99 (best) score. The rating shows how a stock's price performance over the last 52 weeks compares to all the other stocks in our database.

Over 100 years of market history reveals that the best-performing stocks often have an RS Rating of at least 80 in the early stages of their moves. See if Cactus can continue to show renewed price strength and hit that benchmark.

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Cactus is working on a consolidation with a 44.30 entry. See if the stock can break out in volume at least 40% higher than normal. Keep in mind that it's a later-stage consolidation, and those are riskier than earlier-stage patterns.

In terms of fundamentals, the company has posted two quarters of rising earnings growth. Revenue growth has also risen over the same time frame.

The company earns the No. 2 rank among its peers in the Oil & Gas-Machinery/Equipment industry group. Cactus and Baker Hughes Co Cl A are also among the group's highest-rated stocks.