 There are 1,050 healthcare companies listed on the NASDAQ out of a total 4,110. Their collective market capitalisation of USD$2.08t is 10% of the value of all NASDAQ listings. There are roughly 2000 companies listed on the ASX, with a total capitalisation of $2.74t (May 2022).  The darker curve is a logarithmic plot of the market caps of the companies, from largest to smallest. The lighter curve shows the cumulative capitalisation in relative terms.
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