Handy reference links:

• The "Most Important, Stock Market News for each Day from multiple sources on
  one easy to access page : http://www.stocktiming.net/
• Calendar of Events: Fed. Meetings, Employment Releases,
  PPI, CPI etc.: http://www.bloomberg.com/markets/ecalendar/index.html
• Calendar: Options Expiration, and Market Holidays: http://www.optionsclearing.com/publications/xcal/xcal.jsp/
• The New York Stock Exchange: http://www.nyse.com/
• The NASDAQ Stock Exchange: http://www.nasdaq.com/ 
• For information on the QQQ, please go to this link:

  http://dynamic.nasdaq.com/services/indexes/ViewIndexes/Nasdaq_100.aspx?symbol=IXNDX

• The Chicago Mercantile Exchange: http://www.cme.com/
• The Chicago Board of Trade: http://www.cbot.com/
• The Chicago Board: Options Exchange: http://www.cboe.com/
• The Russell 2000: http://russell.com/us/SiteNav.asp
• Reuters: http://www.reuters.com/investing
• Bloomberg: http://www.bloomberg.com/markets/stocks/wei_region2.html
• MarketWatch: http://www.marketwatch.com/
• Morningstar: http://www.morningstar.com/
• Business Week: http://www.businessweek.com/
• CNN Money: http://money.cnn.com/
• Investors Business Daily (IBD): http://www.investorsbusinessdaily.com/
• Multiple news updates: http://www.stocktiming.net/