When it comes to investing themes over the past several years, stocks with exposure to artificial intelligence or building AI products have been widely followed. A market expert shares with Benzinga which of the four themes of AI, quantum, nuclear or space a person would most want to invest in for 2026. • Where are RGTI shares going?Top 2026 ThemeFreedom Capital Markets Chief Market Strategist Jay Woods sees the S&P 500 having a lower gain in 2026 than in 2025. When asked to pick between key themes of AI, s ...