Defense stocks traded unevenly higher early Wednesday following a bullish research note from Citi. Huntington Ingalls was one of the leaders in the S&P 500 on the day. AeroVironment (AVAV) retreated after earnings. Citi analyst Jason Gursky in a research note reported by The Fly.com wrote that defense stocks have “de-rated significantly” since November 2024, due to uncertainty surrounding impacts…