Private equity firms in 2021 spent $401.71 billion in U.S. tech investments — doubling 2020's level of $196.34 billion. As tech becomes increasingly interwoven into our lives amid the pandemic, investors grow bullish on the sector, especially software-as-a-service companies. How will 2022 stack up to 2021, and is there potential for parts of the tech sector to sink this year? John Jannarone, Editor in Chief at IPO-Edge, joins Cheddar News' Closing Bell to discuss 2021's record year of deals, how potential interest rate hikes will impact tech investments in 2022, the fastest-growing IPOs, and more.