United Airlines Holdings Inc. (UAL) has continued to strengthen within the SIA S&P 500 Index Report, climbing 312 positions over the past quarter, including gains of 166 places over the past month and 34 spots this week to its current ranking of 32 out of 505 companies. The shares remain in the Favoured Green Zone with a perfect SMAX score of 10 out of 10, supported by a recent Spread Triple Top Point & Figure signal. Recent operational momentum, record revenue growth and improving earnings expectations may be contributing to the stock’s improving relative strength. With the Transportation sector ranked second out of 31 sectors and continuing to strengthen, UAL’s recent move highlights an area of leadership that may be worth monitoring.