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 20-day moving average, and this suggests a short-term bullish trend.The 20-day simple moving average is a well-liked trading tool because it provides a look back at a stock's price over a 20-day period. Additionally, short-term traders find this SMA very beneficial, as it smooths out short-term price trends and shows more trend reversal signals than longer-t ...