Delaying an initial public offering, 10-year-old fintech company Marqeta has raised another $150 million in venture capital funding from an undisclosed investor. The round more than doubles its valuation to $4.3 billion. Marqeta is backed by Coatue Management, Vitruvian Partners, Visa, Goldman Sachs, 83North, Granite Ventures and ICONIQ Capital. The Oakland-based business helps companies like...