QQQQ

What Does QQQQ Mean?
Formerly the QQQ, this is the ticker symbol for the Nasdaq 100 Trust, which is an ETF that trades on the Nasdaq. This security offers broad exposure to the tech sector by tracking the Nasdaq 100 Index, which consists of the 100 largest and most actively traded non-financial stocks on the Nasdaq. It is also known as "cubes" or the "quadruple-Qs".

Investopedia explains QQQQ
The QQQQ is a great way to invest in the long-term prospects of the technology industry.