Debt investors are growing more concerned about companies that are at risk of becoming obsolete because of artificial intelligence, making it harder for some corporations to raise money.

Money managers have reason to be anxious after at least one firm, overseeing job recruitment sites CareerBuilder and Monster.com, filed for bankruptcy while blaming AI for the demise. Add to that investors getting burned by some high-profile collapses unrelated to technological changes, like auto-parts supplier First Brands Group Holdings.