Century Aluminum Co (NASDAQ:CENX) displayed some impressive relative strength on Friday with a 17.43% gain on high volume. The $19.60 is a key to watch for this stock. The Stochastic Oscillator is registering a bullish signal as the %K has crossed above the %D and RSI back above 50. The nearest trend is in favor of Bulls and price has room to go higher. If the stock can break through that level, we should see strong volume drive the stock higher. Long setup on watch.