Investors and economists are warning about a piece of the financial system that could pose a risk that is potentially similar in ways to the housing crash that preceded the financial crisis in 2008. It’s part of what's been called the shadow banking system: the private credit market, an alternative type of lending to companies that doesn't involve traditional banks. Paul Solman explains. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Stream your PBS favorites with the PBS app:  Find more from PBS NewsHour at  Subscribe to our YouTube channel:  Follow us: TikTok:  @pbsnews X (formerly Twitter):  Instagram:  Facebook:  Subscribe: PBS NewsHour podcasts:  Newsletters: