SOPA Images/LightRocket via Getty Images Insurance stocks have been a stealthy outperforming niche in the last several years. Despite volatile interest rates and a slew of costly natural disasters since 2021, the iShares U.S. Insurance ETF (IAK) has outperformed the global stock market. The fund has produced alpha already this year as major insurance companies get set to report Q4 numbers. I have a buy rating on Chubb Limited (NYSE:CB). I see its valuation as attractive while share-price momentum is very st ...