Wall Street Analysts Mount Rescue Operation for Slumping US IPOs

Three of the worst performers among US initial public offerings this year won much-needed support from Wall Street on Monday, with analysts warming to their post-selloff valuations.

Technology-driven insurance broker Ethos Technologies Inc., satellite manufacturer York Space Systems Inc. and Brazilian fintech firm PicS NV, won near-unanimous buy ratings from Wall Street analysts in their initiations on Monday. Their shares have lost between 17% and 42% of their value since their listings, which raised $1.26 billion in aggregate.

The companies’ underperformance stands in contrast to this year’s crop of debuts, which delivered a weighted average increase of about ...