AMGN: the medicine cabinet for your portfolioOn the weekly chart, Amgen (AMGN) trades at $289.56, holding above the key $272–280 support zone, aligned with the 0.705–0.79 Fibo levels. This area forms a clear buy zone, where buyers are likely to step in. The technical structure remains bullish: the uptrend is intact, with targets at $346.85, ma
