Initiate an overweight position through a three-tranche approach: Tranche 1 at 4-5% portfolio on volume-confirmed close >$298.67 VWMA (>7M shares), Tranche 2 at $290-$300 pullback, and Tranche 3 on 50 SMA reclaim above $337.77, scaling to 17-18% total exposure with a $283 hard stop; trim 25% on RSI>75 without SMA reclaim, trim 50% at $390, and trail on close below 21-day EMA; upgrade to full Buy on close >$337.77 with >15M volume and MACD histogram >+5 over a 3-6 month horizon.