HILTON <HLT> 1ST QTR EARNINGS UP ABOUT 37 PCT Hilton Hotels Corp said its first quarter net income rose 37 pct, paced by strength in both hotels and gaming. Based on preliminary results, the company said, net income rose to about 24 mln dlrs, or 96 cts a share, from 17.4 mln dlrs, or 70 cts a share, in 1986's initial three months.