End of the day technical analysis review of the trends in Nasdaq 100 (QQQQ), S&P 500 (SPY), Aspen Technology Inc. (AZPN), Blue Dolphin Energy Co. (BDCO), Key Tronic Corp. (KTCC), NGAS Resources Inc. (NGAS), Exploration Co. of Delaware Inc. (TXCO), Intuitive Surgical Inc. (ISRG), NII Holdings Inc. (NIHD)