Nvidia Corp. is co-leading a $50 million investment in Twelve Labs Inc., placing its latest bet on a pair of Korean-born engineers who want to help users quickly search and analyze troves of video.US venture house New Enterprise Associates and existing backers including Radical Ventures, Index Ventures SA and Korea Investment Partners took part in the financing, the startup said in a statement. The deal sustains a frenetic pace of startup investments for Nvidia, which since 2023 has funneled cap...