Every investor would love to stumble upon the perfect stock. But will you ever really find a stock that provides everything you could possibly want?

One thing's for sure: You'll never discover truly great investments unless you actively look for them. Let's discuss the ideal qualities of a perfect stock, then decide if Cummins (NYSE: CMI) fits the bill.

The quest for perfection
Stocks that look great based on one factor may prove horrible elsewhere, making due diligence a crucial part of your investing research. The best stocks excel in many different areas, including these important factors:

  • Growth. Expanding businesses show healthy revenue growth. While past growth is no guarantee that revenue will keep rising, it's certainly a better sign than a stagnant top line.
  • Margins. Higher sales mean nothing if a company can't produce profits from them. Strong margins ensure that company can turn revenue into profit.
  • Balance sheet. At debt-laden companies, banks and bondholders compete with shareholders for management's attention. Companies with strong balance sheets don't have to worry about the distraction of debt.
  • Money-making opportunities. Return on equity helps measure how well a company is finding opportunities to turn its resources into profitable business endeavors.
  • Valuation. You can't afford to pay too much for even the best companies. By using normalized figures, you can see how a stock's simple earnings multiple fits into a longer-term context.
  • Dividends. For tangible proof of profits, a check to shareholders every three months can't be beat. Companies with solid dividends and strong commitments to increasing payouts treat shareholders well.

With those factors in mind, let's take a closer look at Cummins.

Factor

What We Want to See

Actual

Pass or Fail?

Growth 5-Year Annual Revenue Growth > 15% 9.3% Fail
  1-Year Revenue Growth > 12% 38.3% Pass
Margins Gross Margin > 35% 25.3% Fail
  Net Margin > 15% 9.6% Fail
Balance Sheet Debt to Equity < 50% 12.9% Pass
  Current Ratio > 1.3 1.88 Pass
Opportunities Return on Equity > 15% 35.2% Pass
Valuation Normalized P/E < 20 13.15 Pass
Dividends Current Yield > 2% 1.6% Fail
  5-Year Dividend Growth > 10% 30.4% Pass
       
  Total Score   6 out of 10

Source: S&P Capital IQ. Total score = number of passes.

Since we looked at Cummins last year, the company has picked up an extra point. A big drop in valuations has brought Cummins another step closer to perfection.

Cummins is a pure play on production of engines, power generators, and exhaust systems. Unlike competitors Navistar (NYSE: NAV) and Caterpillar (NYSE: CAT), which produce their own lines of vehicles to put engines in, Cummins merely provides engines for other makers. That gives Cummins a low debt-to-equity ratio that puts Caterpillar and Navistar to shame.

Just like PACCAR (Nasdaq: PCAR) and its other competitors, Cummins continues to look to emerging markets for growth. It has expanded in Africa, Russia, and Indonesia, and also partnered with a Chinese company to build engines for the emerging nation. That has helped produce huge revenue growth in the past year, with its engine segment reporting a 43% jump in sales in the third quarter over year-ago levels.

Perhaps the most exciting venture at Cummins is its partnership with Westport Innovations (Nasdaq: WPRT) to build natural-gas-powered engines. With huge conversion costs to switch a truck from diesel to natural gas, the new engine would save a lot of money -- and with diesel prices at high levels, the incentive is there for buyers.

Cummins would benefit greatly from a sustained uptick in the economy. Once questions about growth dissipate, Cummins is well placed to get even closer to a perfect showing -- and with a good dividend and low valuations, now's a good time for interested investors to get in.

Keep searching
No stock is a sure thing, but some stocks are a lot closer to perfect than others. By looking for the perfect stock, you'll go a long way toward improving your investing prowess and learning how to separate the best investments from the rest.

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Finding the perfect stock is only one piece of a successful investment strategy. Get the big picture by taking a look at our " 13 Steps to Investing Foolishly ."