PITTSBURGH, Feb. 3, 2012 /PRNewswire/ -- MSA (NYSE: MSA), the global leader in the development, manufacture and supply of products that protect people's health and safety, announced today that it will broadcast a fourth quarter 2011 earnings conference ...

One of today's stocks on the move is Mine Safety Appliances (NYSE:MSA), up 2.5% to $33.69. The Dow Jones Industrial Average is now trading 0.4% lower to 12603 and the S&P is trading 0.2% lower to 1310.

Below are the three companies in the Office Services & Supplies industry with the highest operating margin. A healthy operating margin is required for a company to pay for its fixed costs and generate cash.

Interested in the defensive sector of healthcare stocks? If so, here are some ideas to get started on your search. We ran a screen on the healthcare sector for stocks receiving "Outperform" ratings by Robert W. Baird & Co.

Earnings growth and dividend yield are not mutually exclusive. On the contrary, many companies with attractive growth prospects also provide investors with income in excess of treasury bonds.

In light of low bond yields and the threat of interest rate risk, investing in dividend companies is attractive because of higher current yields and the opportunity for dividend growth.

Mine Safety Appliances Co. (NYSE: MSA) declared a quarterly dividend of $0.26 per share, or $1.04 annualized. The dividend will be payable on March 10, 2012, to stockholders of record on February 14, 2012, with an ex-dividend date of February 10, 2012.

MSA ( MSA ) offers investors strong growth and a solid dividend at a very reasonable price. Based on consensus estimates, analysts project strong double-digit EPS growth over the next few years.

In trading on Friday, shares of Mine Safety Appliances Co (NYSE: MSA) crossed below their 200 day moving average of $33.21, changing hands as low as $33.14 per share.