Company Overview   History   Corporate Governance   Corporate Responsibility Stock Information   Price Performance   Investment Calculator   Historic Stock Price   Analyst Coverage   Top Institutional Holders Financial Performance   Annual Reports   Quarterly Updates   SEC Filings   Fundamentals   Financial Tearsheet News and Events   Press Releases   Webcast & Presentations   Calendar of Events   Newsroom   Email News Delivery More Information   FAQ's   Contact Us   Information Request Updated 02/10/10 Most Viewed Links 1. Price Performance Quote 2. Press Releases 3. Quest Diagnostics Reports Strong Performance for Fourth Quarter and Full Year 2009; Provides Guidance for 2010 4. Q4 2009 Quest Diagnostics Earnings Conference Call 5. Presentations * Data collected 01/21/10 - 01/28/10 Investor Relations > Price Performance Receive E-mail Alerts Trading Statistics Stock Quote 02/09/10 4:00 p.m. ET DGX (Common Stock) Exchange:NYSE (US Dollar) Price $55.68 Change  + 0.68 % Change  1.24% Today's Open $54.99 Intraday High $56.11 Previous Close $55.00 Intraday Low $54.99 52 Week High $62.83 Volume 1,148,325 52 Week Low $42.36 Market Cap $10,189,440,000   Minimum 20 minute delay Refresh quote Stock Chart Symbol DGX (Common Stock) Time Frame 1 day (intraday) 2 days (intraday) 5 days (intraday) 10 days (intraday) 1 month 2 months 3 months 6 months 1 year 2 years 3 years 4 years 5 years 10 years Frequency Every minute Every 5 minutes Every 15 minutes Every 30 minutes Hourly Daily Weekly Monthly Quarterly Yearly Chart Type Mountain Chart Open High Low Close (OHLC) Candlestick Straight Close Line Replication or redistribution of EDGAR Online, Inc. content is expressly prohibited without the prior written consent of EDGAR Online, Inc. EDGAR Online, Inc. shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. Minimum 20 minutes delayed  Print Page |  Email Page |  RSS |  Email Alerts |  IR Contacts |  Financial Tearsheet