HUMANA INC <HUM> 2ND QTR FEB 28 NET Shr 44 cts vs 54 cts Net 42.9 mln vs 53.7 mln Revs 983.3 mln vs 858.8 mln Six mths Shr 85 cts vs 1.11 dlrs Net 83.1 mln vs 109.8 mln Revs 1.91 billion vs 1.66 billion