2009-12-11 18:54:18 - SADIF-Investment Analytics has applied its StockMarks™ stock-rating system to Quest Diagnostics Incorporated and produced a report, rating the company's attractiveness to long-term investors.

Ilhavo, Portugal – 11/12/2009 – SADIF Investment Analytics, announces a new summary due diligence report covering Quest Diagnostics Incorporated (DGX). The report uses SADIF's powerful StockMarks™ stock rating system and contains important analysis for any current or potential Quest Diagnostics Incorporated investor.

Report Summary: Quest Diagnostics Incorporated is a below average quality company with a neutral outlook. Quest Diagnostics Incorporated has medium business growth and is run by mediocre management. When compared to its closest peer, Laboratory Corp. of America Holdings, Quest Diagnostics Incorporated shows similar overvaluation and is equally likely to underperform the market.

The 8-page report breaks down the Total StockMark into its three components – business, management and price, performing an in-depth analysis of Quest Diagnostics Incorporated for long-term

investors.

The report has been distributed to Reuters, and forwarded to Yahoo Finance and FT.com. It is available under 'Analyst Reports' from these websites, from multiple professional platforms including Reuters Knowledge, TheMarkets.com, Thomson Research and Capital IQ or directly from SADIF-Investment Analytics at:
www.sadifanalytics.com/stockmarks/company.php?tickerr=DGX&cod_co ..

About SADIF-Investment Analytics:
SADIF-Investment Analytics is an independent investment research company covering sixteen different markets and over 12,000 companies. The StockMarks™ system is based on proven investment principles and is designed to drive long-term shareholder returns.