Editor's Note: Related tickers: Health Management Associates Inc (NYSE:HMA), Community Health Systems (NYSE:CYH), HCA Holdings Inc (NYSE:HCA), LifePoint Hospitals, Inc. (NASDAQ:LPNT), Tenet Healthcare Corporation (NYSE:THC).

Health Management Associates Inc., a Naples-based hospital company, disclosed today that it received a subpoena from the Securities and Exchange Commission on April 25, requesting documents �related to accounts receivable, billing write-downs, ...

(BUSINESS WIRE)-- Health Management Associates, Inc. (NYS: HMA) and Florida Blue, Florida's Blue Cross and Blue Shield company, announced today the formation of an accountable care model to serve patients in Brevard County, Fla.

Hospital operator Health Management Associates Inc (NYSE:HMA), along with many of its sector peers, kicked off the week on a high note, with the shares adding more than 3% to close at $11.55.

In a 13D filing on Health Management Associates Inc. (NYSE: HMA), Larry Robbin's hedge fund Glenview Capital disclosed a 14.58%, or 37,757,583 share, stake in the company.

We have downgraded Health Management Associates Inc. (NYSE: HMA) to Underperform in the aftermath of the company's first quarter 2013 results.

Health Management Associates, Inc. by and through its subsidiaries operates general acute care hospitals and other health care facilities in non-urban communities.

Health Management Associates, Inc. by and through its subsidiaries operates general acute care hospitals and other health care facilities in non-urban communities.

Following are the notable volume leaders as reported by http://cheapstocks.us/. Conceptus, Inc. (NASDAQ:CPTS) shares climbed 19.50% to $30.95 in the morning hour.

Playing the hospital market presents a much more difficult challenge. If Obamacare collapses, investors should avoid Health Management Associates (NYSE: HMA ) . The large hospital systems operator recently reported disappointing results from last quarter.