Vulcan Materials breaks top of recent trading range, levels to watch The stock is up over 3.4% at time of writing, breaking above the top of the trading range that had been in place since September. At the current price of $51.41, next resistance is at $53.41. Support is at $50.73. A break of a relatively stable horizontal trading range is typically significant for future price movement. Price movement tends to follow the breakout direction, in this case bullish, for some time.