Cardinal Health Inc.’s stock CAH slid 1% in premarket trade Tuesday, after the health services company swung to a loss for its fiscal fourth quarter from a profit a year ago. Dublin, Ohio-based Cardinal Health had a loss of $64 million, or 25 cents a share, for the quarter, after income of $138 million, or 50 cents a share, in the year-earlier period. The loss was mostly due to a non-cash, pre-tax goodwill impairment charge of $368 million in the Medical segment. Adjusted per-share earnings came to $1.55, ahead of the $1.49 FactSet consensus. Revenue rose 13% to $53.5 billion from $47.1 billion a year ago, also ahead…