This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox. Happy Thursday. There's more news out of the budget airline industry: Allegiant's acquisition of Sun Country closed yesterday. Here's what the combined company's CEO, Greg Anderson, told CNBC about the capacity, fuel prices and the future of the merged carrier. Stock futures are rising before the bell after a mixed session yesterday. Here are five key things investors need to know to start the