United Microelectronics Corporation (UMC) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, UMC's 50-day simple moving average broke out above its 200-day moving average; this is 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 movin ...