Alcoa (AA) has been on a bullish run in 2017. We last noted that AA broke into highs not seen since 2008. Meanwhile, the monthly chart shows that AA has broken a multi-year consolidation and is therefore on a bullish trend.Alcoa (AA) Monthly Chart(click to enlarge)Resistance Ahead:- The monthly chart shows that price broke above a range that has been forming since 2009. - While this suggests further upside, we should respect 50 as a possible resistance. - A previous support pivot in 2005 was around 50. - The next key resistance would be aroudn 60, another common support pivot from a previous period of consolidation.- Now, if price does retreat significantly, we should anticipate support around 40, the broken consolidation range resistance.