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  • MARTEK BIOSCIENCES CORP 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: MATK

  • Seasonal Performance Data: MATK

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

    Returns %    		 0.70 2.75 -4.33 -4.77 0.71 5.69 6.33 4.93 -13.21 -4.45 -10.19 8.84
    #Times MATK Stock Price Increased 46 43 44 51 55 57 57 54 40 43 37 51
    #Times MATK Stock Price Unchanged 0 0 1 0 0 5 1 0 1 1 2 1
    #Times MATK Stock Price Decreased 55 53 64 52 51 46 47 57 61 67 64 53
    2009 % -12.73 -29.18 -2.55 -0.15 16.30 -0.18 9.83 5.68 -7.97 -20.49 — —
    2008 % -3.86 0.66 6.56 15.34 7.10 -10.72 11.57 -11.16 -5.95 -5.05 -6.29 8.44
    2007 % -0.12 -2.91 -8.87 4.70 -3.05 24.08 -1.34 5.46 7.44 5.24 -15.34 14.65
    2006 % 17.07 18.33 -3.66 -9.52 -14.64 13.89 -3.25 7.66 -28.46 10.27 3.33 -4.76
    2005 % 3.16 26.85 -13.14 -34.22 -2.16 1.39 14.83 17.00 -31.11 -12.20 -15.26 -5.85
    2004 % — — — — — — — — — — -17.39 31.72