NEW YORK (TheStreet) -- Nike (NKE) reported earnings Thursday night and projected higher sales for the coming year. The stock popped some 7% after hours despite a generally negative global outlook for most equities. With this kind of a report, should you be buying today?I'll look at just two charts today to technically evaluate Nike. The first is the Trading Cube which is a reflection of the qualified trends for Nike, the sector it trades in (consumer discretionary) and the general market across all three time frames. It provides a snapshot view of qualified trend.