<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1665-5346</journal-id>
<journal-title><![CDATA[Revista mexicana de economía y finanzas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. econ. finanz]]></abbrev-journal-title>
<issn>1665-5346</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Ejecutivos de Finanzas A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-53462026000100005</article-id>
<article-id pub-id-type="doi">10.21919/remef.v21i1.1495</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Asset Representativeness in Mexican Stock Market Sectors: A Principal Component Analysis (2020-2024)]]></article-title>
<article-title xml:lang="es"><![CDATA[Representatividad de los activos en los sectores del mercado bursátil mexicano: un análisis de componentes principales (2020-2024)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cantú Esquivel]]></surname>
<given-names><![CDATA[Josué Alan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arteaga Nagashiro]]></surname>
<given-names><![CDATA[Yorka Veruska]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simbrón Arteaga]]></surname>
<given-names><![CDATA[Silvana Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico Autónomo de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnológico de Monterrey  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-53462026000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-53462026000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-53462026000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Our work examines the Mexican capital market with the objective of identifying the key assets within each sector. This is accomplished through a principal component analysis (PCA) applied to time series data. The findings elucidate the assets that predominantly contribute to each sector concerning overall variability and illustrate the associations among them according to their correlation vectors. Ultimately, the linear combinations of each sector, referred to as the principal components, are provided, which serve as indicators of their cyclical behavior. These combinations can be utilized as measures of sector dynamism within the market and, in conjunction with other technical analysis tools, may prove valuable as trading signals and for constructing investment portfolios. These insights will be extended for future research applications.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Nuestra investigación analiza el mercado de capitales mexicano con el objetivo de identificar los activos guía de cada sector. Esto se lleva a cabo mediante un análisis de componentes principales (ACP) en series de tiempo. Los resultados revelan los activos que más contribuyen a cada sector en términos de la variabilidad global en cada uno, además de mostrar la asociación entre estos según sus flechas de correlación. Finalmente, se presentan las combinaciones lineales de cada sector (los componentes principales), que son indicativas del comportamiento cíclico de estos. Tales combinaciones pueden utilizarse como indicadores del dinamismo de los sectores en el mercado, y junto con otras herramientas de análisis técnico, pueden resultar útiles como indicadores de trading y portafolios de inversión que extendemos para futuras aplicaciones en líneas de investigación.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[C10]]></kwd>
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<kwd lng="en"><![CDATA[D81]]></kwd>
<kwd lng="en"><![CDATA[G11]]></kwd>
<kwd lng="en"><![CDATA[G15]]></kwd>
<kwd lng="en"><![CDATA[Principal Component Analysis]]></kwd>
<kwd lng="en"><![CDATA[Time Series]]></kwd>
<kwd lng="en"><![CDATA[Stocks]]></kwd>
<kwd lng="en"><![CDATA[Exchange Market]]></kwd>
<kwd lng="es"><![CDATA[C10]]></kwd>
<kwd lng="es"><![CDATA[C15]]></kwd>
<kwd lng="es"><![CDATA[C22]]></kwd>
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<kwd lng="es"><![CDATA[G11]]></kwd>
<kwd lng="es"><![CDATA[G15]]></kwd>
<kwd lng="es"><![CDATA[Análisis de componentes principales]]></kwd>
<kwd lng="es"><![CDATA[series de tiempo]]></kwd>
<kwd lng="es"><![CDATA[acciones]]></kwd>
<kwd lng="es"><![CDATA[bolsa de valores]]></kwd>
</kwd-group>
</article-meta>
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