2018 just may be the rebound in tech IPOs that has been promised for years. 

According to Dealogic, 120 companies have staged IPOs in the first half of 2018, raising an aggregate of of $35 billion. It's the best first half for U.S. IPOs since 2014 and one of the busiest periods in the 24 years that Dealogic has been tracking IPO data. (That 120 figure doesn't include Spotify, which skirted the IPO processfor a direct listing.)

That's not all. Last week, as the sleepy summer season for IPOs drew to an end, Renaissance Capital published its fall IPO preview– the underwriting world's equivalent of a seasonal fashion show – that argued that the already strong IPO class of 2018 was “primed for a big finish.” Here's why...