Two Low-Cost Airlines Plan to Merge. Wall Street Likes the Deal.

Key Takeaways Investors see sunshine for Sun Country Airlines stock following news that it plans to merge with another ultra- low-cost carrier. Sun Country (SNCY) shares were up some 12% Monday, a day after the airline agreed to combine with fellow ultra-low-cost carrier Allegiant Travel Company (ALGT) to "create a leading leisure-focused U.S. airline." Allegiant's stock was down about 6%. (Read Investopedia's live coverage of today's trading here.) Allegiant CEO Gregory Anderson would serve as the combined ...