dynamically reading tag-names in XSL

I am working on an XML that looks like:

<stocks>
  <stock>
    <symbol>xyz</symbol>
    <price>123</price>
  </stock>
  <stock>
    <symbol>abc</symbol>
    <price>234</price>
  </stock>
  <stock>
    <symbol>pqr</symbol>
    <price>345</price>
  </stock>
</stocks>

I want to write an XSL for this which will read the tags and their
value dynamically.
Something like:

<xsl:template match="/">
  <xsl:for-each select="stocks/stock">
    <xsl:variable name="tagname" select="."/>
    $tagname <xsl:text> = </xsl:text>
    <xsl:value-of select="$tagname"><xsl:text> ; </xsl:text>
  </xsl:for-each>
</xsl:template>

to generate:

  symbol = xyz ; price = 123 ; symbol = abc ; price = 234

I know this is XSL wrong and not expceted to work! 
But can anyone tell me what would work?
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