Having a small share of retirement savings invested in Elon Musk’s rocket business may not sit well with everyone, but it’s how the super system is meant to work.

Having a small share of retirement savings invested in Elon Musk’s rocket business may not sit well with everyone, but it’s how the super system is meant to work.

Wall Street remains overwhelmingly bullish on Musk’s rocket maker, despite its stock pulling back sharply.