Growth -- 0.5 out of 5 stars Measures the growth of both the company's income statement and cash flow. On this factor, Niska Gas Storage Partners ( NKA) has a growth score better than virtually none of the stocks we rate Total Return -- 1.5 out of 5 stars Measures the historical price movement of the stock. The stock performance of this company has beaten 20% of the companies we cover. Efficiency -- 1.0 out of 5 stars Measures the strength and historic growth of a company's return on invested capital. The company has generated more income per dollar of capital than 10% of the companies we review. Price Volatility -- 3.0 out of 5 stars Measures the volatility of the company's stock price historically. The stock is less volatile than 50% of the stocks we monitor. Solvency -- 0.5 out of 5 stars Measures the solvency of the company based on several ratios. The company is less solvent than nearly all of the companies we analyze. Income -- 5.0 out of 5 stars Measures dividend yield and payouts to shareholders. The company's dividend is higher than 90% of the companies we track.