ROCKY MOUNT <RMUC> EXPECTS PROFIT IN FIRST QTR Hal Weiss, chairman, president and chief executive officer, of Rocky Mount Undergarment Co Inc, said he expects the company to show a profit for the first quarter fiscal 1987. Weiss said sales for 1987 have been strong following a net loss of 1,548,000 dlrs, or 53 cts a share, for the fourth quarter of fiscal 1986. The company reported a net loss for the year of 2,408,000 dlrs, or 82 cts a share. Rocky Mount recorded net income of 248,000 dlrs, or eight cts per share, for the first quarter of fiscal 1986. Weiss attributed the poor year to problems involving management, manufacturing operations, financial condition and credibility among its suppliers. Weiss predicted the pattern of quarterly lossses which characterized 1986 will be reversed and 1987 will see the company return to profitability.