Valvoline saw a welcome improvement to its Relative Strength (RS) Rating on Wednesday, rising from 70 to 73.

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 score shows how a stock's price movement over the trailing 52 weeks stacks up against all the other stocks in our database.

Decades of market research shows that the stocks that go on to make the biggest gains typically have an RS Rating north of 80 as they begin their biggest price moves. See if Valvoline can continue to rebound and clear that threshold.

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Valvoline is working on a flat base with a 34.75 buy point. See if the stock can break out in heavy trade.

In terms of top and bottom line numbers, the company has posted rising EPS growth in each of the last four reports. Sales growth has also increased during the same period.

The company earns the No. 18 rank among its peers in the Chemicals-Specialty industry group. Element Solutions and C S W Industrials are also among the group's highest-rated stocks.