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  • MERCK & CO INC NEW Average Monthly Returns

Some investors consider seasonal performance when purchasing or selling stocks. This chart illustrates the average monthly return for the past 5 years. Users often also consider the number of times a stock increases or decreases for any given month. Mouse-over the chart to view 5 years of history for each month.

  • Seasonality Performance Chart: MRK

  • Seasonal Performance Data: MRK

    Returns Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Avg.

    Returns %    		 -5.71 -1.23 -0.10 1.94 2.12 -0.51 1.14 1.83 -2.24 4.13 -4.00 6.51
    #Times MRK Stock Price Increased 44 41 56 53 59 49 56 59 47 60 55 56
    #Times MRK Stock Price Unchanged 0 1 2 0 1 1 2 1 1 2 1 0
    #Times MRK Stock Price Decreased 57 54 51 50 46 58 47 51 54 49 47 49
    2009 % -6.08 -15.23 10.54 -9.37 13.78 1.38 7.33 8.06 -2.46 -2.20 — —
    2008 % -20.85 -3.66 -14.28 0.18 2.42 -3.25 -12.70 8.42 -11.51 -1.92 -13.66 13.77
    2007 % 2.64 -1.33 0.05 16.46 1.96 -5.04 -0.29 1.05 3.03 12.71 1.89 -2.10
    2006 % 8.46 1.04 1.06 -2.29 -3.27 9.43 10.54 0.70 3.33 8.40 -1.99 -2.03
    2005 % -12.72 13.01 2.11 4.73 -4.30 -5.05 0.84 -9.10 -3.60 3.64 4.26 8.20
    2004 % — — — — — — — — — — -10.50 14.70