 Shares of Coty Inc. COTY, 1.30 slumped 3.9 in premarket trading Tuesday, after the beauty products company reported fiscal second-quarter profit that beat expectations and raised its full-year outlook, but reported revenue that came up a bit short. For the quarter to Dec. 31, the company swung to net income of 192.7 million, or 23 cents a share, from a loss of 275.4 million, or 36 cents a share, in the year-ago period. 