| GSK buyback eyed after Quest sale | 03-Feb-2011 | The Independent |
| Quest Acknowledges Errors in Vitamin D Tests | 08-Jan-2009 | New York Times |
| Google Offers Personal Health Records on the Web | 20-May-2008 | New York Times |
| Takeover Speculation Lifts Medical Stock | 06-Jul-2007 | New York Times |
| Quest Diagnostics Loses UnitedHealth Contract | 04-Oct-2006 | New York Times |
| Also | 20-May-2006 | LA Times |
| Business Briefing | 20-May-2006 | Washington Post |
| Quest Diagnostics Queried | 20-May-2006 | New York Times |
| Business Digest | 29-Mar-2006 | BayArea.com |
| Currency | US Dollars |
| Share Price | $ 178.14 |
| Change Today | $ -2.32 |
| % Change | -1.29 % |
| 52 Week High | $192.35 |
| 52 Week Low | $150.33 |
| Volume | 767,267 |
| Shares Issued | 111.00m |
| Market Cap | $19,774m |
| Beta | 0.29 |
| RiskGrade | 133 |
| Strong Buy | 5 |
| Buy | 3 |
| Neutral | 10 |
| Sell | 0 |
| Strong Sell | 0 |
| Total | 18 |

| Time | Volume / Share Price |
| 15:59 | 100 @ $178.20 |
| 15:59 | 100 @ $178.20 |
| 15:59 | 100 @ $178.20 |
| 15:59 | 100 @ $178.20 |
| 15:59 | 100 @ $178.22 |
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