Ardagh Metal Packaging S.A. (AMBP) is looking like an interesting pick from a technical perspective, as the company reached a key level of support. Recently, AMBP's 50-day simple moving average crossed above its 200-day simple moving average, known as a "golden cross."There's a reason traders love a golden cross -- it's a technical chart pattern that can indicate a bullish breakout is on the horizon. This kind of crossover is formed when a stock's short-term moving average breaks above a longer-term moving ...