Key TakeawaysGE Aerospace, the inheritor of the "GE" ticker, closed at its highest level since early 2008 after posting strong results and boosting guidance.The results underscore a remarkable turnaround for the 132-year-old behemoth after a precipitous fall from grace. Earlier this year, GE completed a split into three separate companies focused on aviation, energy, and healthcare. Shares of GE Aerospace (GE) on Tuesday hit their highest level since early 2008 as second-quarter results showed the company' ...