Alphabet Inc., parent company of Google, becomes the fourth American company to hit a stock market capitalization of US$1 trillion.
Tesla, Inc. reports a stock market capitalization of US$88 billion in response to strong performances in the third- and fourth-quarter, surpassing General Motors and Ford Motor Company to become the most valuable automobile company in North America.
The human rights group International Rights Advocates formally launches a lawsuit in the United States against Apple Inc., Alphabet Inc. (Google), Tesla, Inc., Dell and Microsoft on behalf of 14 Congolese families whose children died or were injured in Copperbelt mines that supply cobalt for the firms' lithium-ion battery products.
Google co-founders Larry Page and Sergey Brin announce they are stepping down as CEO and president respectively from the company. Sundar Pichai will become the new CEO of Google and its parent company Alphabet Inc. effective immediately.
Alphabet Inc. announces Executive Chairman Eric Schmidt, who has been chief executive of Google-Alphabet since 2001, will step down in January 2018. Schmidt will continue to serve on Alphabet's board of directors.