End of the day technical analysis review of the trends in Nasdaq 100 (QQQQ), S&P 500 (SPY), Avici Systems Inc. (AVCI), Medicines Co. (MDCO), Qiao Xing Universal Telephone Inc. (XING), Dynamic Materials Corp. (BOOM), F5 Networks Inc. (FFIV), Yahoo! Inc. (YHOO), International Rectifier Corp. (IRF).