The story of last week's Snowflake and Unity Software IPOs had little to do with data warehousing or 3D game development, and lots to do with dizzying "pops" after pricing.

What happened: The Robinhood effect.

Economic tension between the U.S. and China continues to escalate but is shifting in focus — away from the tit-for-tat trade war and toward a more direct confrontation over the future of technology at the heart of the conflict between the world's two largest economies.

Why it matters: The battle between the U.S. and China was always about tech supremacy and the direct confrontation could result in an accelerated splintering of global supply chains and a significant reduction of international commerce.

The new deal to rescue TikTok from a threatened U.S. ban — full of provisions aimed at creating the temporary appearance of a presidential win — looks like a sort of Potemkin village agreement.

How it works: Potemkin villages were fake-storefront towns stood up to impress a visiting czar and dignitaries. When the visitors left, the stage set got struck.

• Similarly, many elements of this plan look hastily erected and easily abandoned once the spotlight moves on.

An estimated 2.5 million+ Americans have registered to vote on Facebook, Instagram, and Messenger, Facebook announced Monday. More than 733,000 Americans have registered to vote so far via Snapchat.

Why it matters: The broad reach of social media platforms makes them uniquely effective at engaging voters — especially younger voters who may not know how to register to vote or be civically engaged.

Nikola announced Monday that executive chairman Trevor Milton, who is also the company's founder, is out as the electric and fuel cell truck startup reportedly faces federal inquiries into a short-seller's allegations of inaccurate or misleading statements.

Why it matters: It's the latest move in a head-spinning series of events for Nikola.

A federal judge early on Sunday temporarily blocked a Trump administration order banning downloads of the Chinese-owned global messaging app WeChat.

Why it matters: The temporary injunction means WeChat will remain on Apple's and Google's app stores, despite a Commerce Department order to remove the app by Sunday evening.

President Trump on Saturday said he approved "in concept" a deal whereby TikTok will be allowed to continue operating in the U.S., with Oracle as its "trusted technology partner."

Why it matters: TikTok has nearly 100 million U.S. users, and is still growing fast. Trump has threatened to ban it, due to data privacy concerns related to TikTok's ownership by Chinese tech company.