AI startup Higgsfield saw its valuation quadruple in about six months to US$5.4 billion after raising US$400 million in its latest funding round, as demand for AI-generated marketing and media content grows. DST Capital led the Series B funding, with participation from Growth Equity at Goldman Sachs Alternatives, Tribe Capital and Intel Capital among others. Accel, Menlo Ventures and GFT Ventures were among existing investors that also participated in the round. Here are some details: (Reporting by Prathik Jayaprakash in Bengaluru; Editing by Vijay Kishore)