From a technical perspective, Coherent (COHR) is looking like an interesting pick, as it just reached a key level of support. COHR recently overtook the 50-day moving average, and this suggests a short-term bullish trend.The 50-day simple moving average is a widely used technical indicator that helps determine support or resistance levels for different types of securities. It's one of three major moving averages, but takes precedent because it's the first sign of an up or down trend.COHR has rallied 6.5% ov ...