The Nasdaq indices are extending yesterday’s gains, with the Nasdaq Composite up 0.43% and the Nasdaq 100 up 0.5%. The S&P 500, meanwhile, is trading on both sides of unchanged.Both Nasdaq indices have traded above their previous record closing levels today. The Composite closed at a record high yesterday, while the Nasdaq 100 finished just shy of its own record close.The question now is whether buyers can keep the momentum going and deliver another pair of record closes. In the video above, I walk through the technical levels driving each index and what would strengthen—or weaken—the bullish bias. This article was written by Greg Michalowski at investinglive.com.