Citigroup upgrades HCA (NYSE:HCA) and six other hospital stocks to "buy" ahead of the Supreme...

Citigroup upgrades HCA (NYSE:HCA) and six other hospital stocks to "buy" ahead of the Supreme Court's decision this month on whether to void some or all of Obamacare. While Citi expects shares to rise in two of three possible scenarios, the call seems a bit premature given that the brokerage forecasts falls of 5%-10% if the healthcare law is totally struck down.