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, with significant changes observed from 2007 to 2009.

Breakdown:
In November 2007, Pfizer reported net sales of 676.69 Cr, which increased to 681.70 Cr in November 2008, and further rose to 772.27 Cr by November 2009. Other operating income also saw an increase from 0.00 Cr in November 2007 to 22.90 Cr in November 2008, and then to 24.37 Cr in November 2009. Total operating income followed a similar upward trend, growing from 676.69 Cr in November 2007 to 704.60 Cr in November 2008, and reaching 796.64 Cr in November 2009. However, total expenditure (excluding depreciation) increased from 541.47 Cr in November 2007 to 552.36 Cr in November 2008, and further to 638.47 Cr in November 2009. Operating profit (PBDIT) excluding other income also rose from 135.22 Cr in November 2007 to 152.24 Cr in November 2008, and then to 158.17 Cr in November 2009. Despite this growth, profit before tax decreased from 451.34 Cr in November 2007 to 419.13 Cr in November 2008, and further down to 210.01 Cr in November 2009. Consequently, profit after tax dropped significantly from 340.00 Cr in November 2007 to 299.58 Cr in November 2008, and then to 137.12 Cr in November 2009. The earnings per share (EPS) reflected this decline, falling from 113.94 in November 2007 to 100.4 in November 2008, and further to 45.95 in November 2009. Overall, while Pfizer experienced growth in sales and operating income, its profitability metrics showed a concerning decline during this period.