Elon Musk's Twitter had restricted retweets of Substack links, an echo of Twitter's actions late last year against tweets that linked to rival social media apps.
Substack recently raised money from individual writers at its 2021 boomtime valuation and the financial statements raise questions about the health of the business.
iRobot shares have been trading around 30% below Amazon’s proposed takeover price, indicating widespread skepticism among investors that the deal will close.
Savvy Games Group, a gaming investment company owned by the $620 billion Saudi sovereign wealth fund, has agreed to buy the maker of games such as "Scrabble Go."
The communications watchdog said practices that make it difficult for companies to use multiple cloud providers could be reducing competition in the space