CVS Health (CVS) stock is in negative territory Wednesday after the pharmacy chain and healthcare benefits provider reported mixed results for its second quarter and slashed its full-year profit forecast.In the three months ended June 30, CVS said its revenue increased 2.6% year-over-year to $91.2 billion, driven by growth in its Health Care Benefits and Pharmacy & Consumer Wellness segments. However, its earnings per share (EPS) decreased 17.2% from the year-ago period to $1.83, primarily due to a decline ...