Nabisco Group Holdings Corp. (NYSE:NGH - news) and Nabisco Holdings Corp. (NYSE:NA - news) today announced results for the second quarter ended June 30, 2000. Nabisco worldwide net sales for the quarter increased 12 percent to $2.26 billion from $2.02 billion in last year's second quarter. For NGH, net income in the second quarter rose to $76 million, or $.