Jeff Bezos was gaining ground on Elon Musk’s SpaceX and Starlink. Thursday’s rocket explosion on a launchpad creates a major setback.

Jeff Bezos was gaining ground on Elon Musk’s SpaceX and Starlink. Thursday’s rocket explosion on a launchpad creates a major setback.

The ways it set up its board and Mr. Musk’s pay appear to benefit him at the expense of other shareholders, corporate governance experts said.