Correlation Traps: Why Related Stocks Move Differently Despite Trade Ideas' Alerts

https://lukasiius870.huicopper.com/backtesting-lies-why-trade-ideas-historical-data-doesn-t-predict-tomorrow-s-winners

Two semiconductor stocks break out above resistance on the same day. Trade Ideas alerts on both. Both look perfect technically. You think: semiconductor sector is strong, both have the same edge, I'll trade both. One runs +1.2%, the other drops -0