Recently, shares of General Motors (GM) broke above a key triangle resistance. Price action during the 12/7 session helped confirm this bullish breakout.GM Daily Chart 12/8(click to enlarge)Pullback and Confirmation:- Price pulled back after the breakout, but held above 35.00. - Essentially, the market is looking at the broken triangle resistance as support, which is a sign that bulls are in control.GM Weekly Chart(click to enlarge)Breakout Opens Bullish Outlook:- The Breakout from the triangle seen in the weekly chart opens up the end-of-2013 high around 41.85. - Also look out for some resistance around 38.00, which was a common resistance pivot in 2013 and 2014.