$web=Invoke-WebRequest 'http://www.bolsamadrid.es/esp/aspx/Mercados/Precios.aspx?indice=ESI100000000' $web.AllElements | Where Class -eq "DifFlIg" | %{$_.innerText}
Listar las empresas del IBEX 35 que se mantienen igual (Web scraping, Web, PowerShell)
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