The health services industry closed the day down 1.9%. LCA-Vision Inc ( LCAV), World Heart Corporation ( WHRT), Spherix Inc ( SPEX), and Spherix Inc ( SPEXD) were all winners today within the health services industry with Quest Diagnostics Inc ( DGX) being today's featured health services winner. Quest Diagnostics Inc rose $5.52 (10.8%) to $56.50 on heavy volume. Throughout the day, 8.2 million shares of Quest Diagnostics Inc exchanged hands as compared to its average daily volume of 1.9 million shares.

Quest Diagnostics Incorporated provides diagnostic testing, information, and services in the United States and internationally. Quest Diagnostics Inc has a market cap of $7.9 billion and is part of the health care sector. The company has a P/E ratio of 17.9, equal to the average health services industry P/E ratio and above the S&P 500 P/E ratio of 17.7. Shares are down 5.5% year to date as of the close of trading on Monday.

TheStreet Ratings rates Quest as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, expanding profit margins and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had sub par growth in net income.

On the negative front, Healthways Inc ( HWAY), CHINA NUOKANG BIO-PHARMACEUTICAL Inc ( NKBP), ResMed Inc ( RMD), and Neostem Inc ( NBS) were all losers within the health services industry with Medtronic Inc ( MDT) being today's health services industry Loser Spotlight stock.

For investors not wanting singular stock exposure, ETFs may be of interest. Investors who are bullish on the health services industry could consider Health Care Select Sector SPDR ( XLV) while those bearish on the health services industry could consider ProShares Ultra Short Health Care ( RXD).