<p>The Nasdaq Global Select Market Composite is an index that tracks the performance of companies listed on the Nasdaq Stock Market. It is a market capitalization-weighted index, meaning that larger companies have a greater influence on the index's performance.</p>

<h2>How It Works</h2>
<p>The index includes all common stocks listed on the Nasdaq Global Select Market, which is the highest tier of the Nasdaq Stock Market. To be included in the index, a company must meet certain financial and liquidity requirements. The index is market capitalization-weighted, with each company's weight determined by its market capitalization relative to the total market capitalization of all companies in the index.</p>
<p>The index is calculated using a modified market capitalization-weighted methodology. This means that each company's weight in the index is adjusted to ensure that no single company has too large an influence on the index's performance. The index is market cap-weighted, with each company's weight determined by its market capitalization relative to the total market capitalization of all companies in the index.</p>

<h2>Why It Matters</h2>
<p>The Nasdaq Global Select Market Composite is an important benchmark for investors who want to track the performance of companies listed on the Nasdaq Stock Market. It provides a broad-based measure of the market's performance, and can be used to compare the performance of different investment strategies or asset classes.</p>
<p>For example, an investor who wants to track the performance of technology companies listed on the Nasdaq Stock Market could use the Nasdaq Global Select Market Composite as a benchmark. By comparing the performance of a technology-focused portfolio to the performance of the index, the investor can gain insights into the relative performance of technology stocks compared to the broader market.</p>