Promenade Technology

In an internal memo, Facebook defended itself and said that social media was not a primary cause of polarization. https://nyti.ms/3l3M60H

The electric-car maker has weathered the global shortage of semiconductors better than more established rivals. https://nyti.ms/3a0Wzn6

The company, which is backed by Amazon and Ford, is seeking to sell shares in one of the biggest initial public offerings of the year. https://nyti.ms/3mhuL3B

A Theranos lab director emerged as key prosecution witness during testimony focused on problems with the company’s blood tests. https://nyti.ms/3l1jk0I

The plan to merge had drawn scrutiny on national security grounds. https://nyti.ms/39TzkLV

The island has rare elements needed for electric cars and wind turbines. But protesters are blocking one project, signaling that mining companies must tread carefully. https://nyti.ms/3l0DBTO

Blue Origin launched the Amazon founder to the edge of space in July and has another flight planned in October, but the company has experienced other setbacks this year. https://nyti.ms/3imNvgU