Silicon Valley is flush with cash, with nearly $58 billion invested in US venture-backed startups so far in 2018. With so much money in venture capital, small-time investors are struggling to compete for hot deals. Some investors are standing out by specializing. They may target a specific tech sector, which differentiates them by domain expertise and the quality of their relationships. Business Insider spoke with three venture capital investors in Silicon Valley to find out why they went niche.