Exxon Mobil is an iconic blue-chip stock and the longest-tenured member of the index. Exxon’s exclusion represents a big drop from the days where oil companies were kings of the stock market.
Researchers in Saudi Arabia have developed thin, organic solar cells with a few advantages over others of their type. The new solar cells are more efficient, made using more common elements, and can be inkjet-printed onto surfaces, making them light and flexible enough to power wearable electronics.
The announcement came two days after N.B.A. players staged a dramatic work stoppage in response to the police shooting of Jacob Blake in Kenosha, Wis., on Sunday. Some staffers in the N.B.A.’s league office also chose not to work on Friday to spend time on social causes instead.