How has been the historical performance of Pfizer?

Answer:Pfizer's historical performance shows a trend of fluctuating net sales and profits over the years.

Breakdown:
In November 2009, Pfizer reported net sales of 772.27 Cr, an increase from 681.70 Cr in November 2008, and 676.69 Cr in both December and November 2007. Total operating income also rose to 796.64 Cr in November 2009 from 704.60 Cr in November 2008. However, the total expenditure increased to 638.47 Cr in November 2009 from 552.36 Cr in November 2008. Operating profit, excluding other income, was 158.17 Cr in November 2009, slightly up from 152.24 Cr in November 2008, while the overall operating profit, including other income, was 229.22 Cr in November 2009 compared to 222.35 Cr in November 2008. Profit before tax decreased significantly to 210.01 Cr in November 2009 from 419.13 Cr in November 2008, leading to a profit after tax of 137.12 Cr in November 2009, down from 299.58 Cr in November 2008. The earnings per share (EPS) also fell to 45.95 in November 2009 from 100.4 in November 2008. The operating profit margin decreased to 19.85% in November 2009 from 21.61% in November 2008, and the profit after tax margin dropped to 17.21% from 42.52% in the same period. Overall, while Pfizer experienced growth in sales and operating income, profitability metrics showed a decline in the later years.