AXT Inc (AXTI) is looking like an interesting pick from a technical perspective, as the company reached a key level of support. Recently, AXTI's 50-day simple moving average crossed above its 200-day simple moving average, known as a "golden cross."Considered an important signifier for a bullish breakout, a golden cross is a technical chart pattern that's formed when a stock's short-term moving average breaks above a longer-term moving average; the most common crossover involves the 50-day and the 200-day, ...