Pinterest Raises $150 Million at Two-Year-Old Share Price

Pinterest Inc., one of the most highly valued startups, has raised another $150 million in funding as the image-search company continues to tap private investors to support its growth.

The injection from existing investors values Pinterest at $12.3 billion, a company spokeswoman said, up from an $11 billion valuation in 2015. Investors paid the same share price from two years ago, the spokeswoman said, but the valuation went up...