From a technical perspective, Celestica (CLS) is looking like an interesting pick, as it just reached a key level of support. CLS recently overtook the 50-day moving average, and this suggests a short-term bullish trend.The 50-day simple moving average, which is one of three major moving averages, is widely used by traders and analysts to establish support and resistance levels for a range of securities. Because it's the first sign of an up or down trend, the 50-day is considered to be more important.CLS ha ...