Pfizer ( PFE) is a research-based, global pharmaceutical company, which discovers, develops, manufactures and markets prescription medicines for humans and animals. Dividend Yield: 4.07% Rated "A (Buy)" by TheStreet Ratings: Pfizer's gross profit margin for the first quarter of its fiscal year 2012 is essentially unchanged when compared to the same period a year ago. Sales and net income have dropped, underperforming the average competitor within its industry. Pfizer has average liquidity. Currently, the Quick Ratio is 1.41 which shows that technically this company has the ability to cover short-term cash needs. The company's liquidity has increased from the same period last year. During the same period, stockholders' equity ("net worth") has decreased by 7.56% from the same quarter last year. Together, the key liquidity measurements indicate that it is relatively unlikely that the company will face financial difficulties in the near future.