Today we’re digging into the IPO pricing of Upstart and Wish, perhaps the final fintech and e-commerce debuts of the year. Both unicorns priced last night and will begin trading this morning. But first, a programming note: The Exchange will publish through next Tuesday before taking a break until 2021; the last newsletter of the year will go out this weekend. And, just while we’re here, Equity will continue to drop, with some special episodes being compiled this week. The Exchange explores startups, markets and money. Read it every morning…