Another stock that insiders are finding attractive here is Tenet Healthcare ( THC), an investor-owned health care services company whose subsidiaries and affiliates own and operate acute care hospitals, ambulatory surgery centers, diagnostic imaging centers and related health care facilities. Insiders are buying this stock into some modest strength, since shares are up by around 13% so far in 2012. >>4 Health Care Stocks Rising on Big Volume Tenet Healthcare has a market cap of $2.43 billion and an enterprise value $7.09 billion. This stock trades at a reasonable valuation, with a forward price-to-earnings of 8.79. Its estimated growth rate for this year is 57.4%, and for next year it's pegged at 13.7%. This is far from a cash-rich company, since the total cash position on its balance sheet is $82 million and its total debt is $4.75 billion. A beneficial owner just bought 200,000 shares, or about $4.7 million worth of stock, at $23.53 per share. From a technical perspective, THC is currently trading above both its 50-day and 200-day moving averages, which is bullish. This stock has been uptrending strong for the last three months, with shares soaring from a low of $17.24 to its recent high of $26.96 a share. During that uptrend, shares of THC have been mostly making higher lows and higher highs, which is bullish technical price action. That said, the stock has sold off from that high of $26.96 in the last month to right around its 50-day at $23.02 a share. If you're in the bull camp on THC, then I would look for long-biased as long as this stock is trending above its 50-day at $23.02 a share with strong upside volume flows. I would consider any upside volume day that registers near or above its three-month average volume of 2.1 million shares as bullish. If THC can sustain that trend, then this stock will setup to re-test or possibly take out its next major overhead resistance levels at $24.84 to $26.96 a share in the near future.