TransDigm Group Incorporated (NYSE:TDG) is among the 10 Best Defense Stocks to Buy in the S&P 500. On January 16, the company announced it had reached an agreement with Vance Street Capital to acquire Jet Parts Engineering and Victor Sierra Aviation Holdings for approximately $2.2 billion. TransDigm Group Incorporated (TDG) To Acquire Jet Parts Engineering and Victor Sierra Aviation Holdings in Aftermarket Push The takeover will include certain tax benefits. It is set to further expand the company’s posi ...