The slowdown in deliveries at Boeing is good news from a near-term profit perspective at its engine supplier. It will also lead to more aftermarket revenue from its legacy engines.GE Aerospace (GE 0.68%) has delivered stellar returns for investors, but is the party over now?Putting aside the stock chart, GE trades on slightly more than 40 times the midpoint of management's earnings guidance for 2024, making it look expensive on a near-term earnings basis. As such, is there still a case for buying the stock? ...