This post originally appeared in the First Trade newsletter. You can sign up for Business Insider's daily markets newsletter here. It may not feel like it, but 2025 has been a record year for retail traders. It's been even busier than 2021, when GameStop mania was at its peak. Compared to last year, retail activity is up 50%. That's likely indicative of more volatility in 2025, especially the nearly 20% drawdown from February to early April. Those shifting sands gave rise to investment strategies th ...