Shares for GE Aerospace fell 8% Tuesday after the company reported sales that were below analysts’ expectations in two key divisions. The jet-engine maker reported $7.0 billion in revenue for its commercial engines and services unit, shy of the $7.13 billion projected by analysts polled by FactSet. The company reported a similar disappointment in its defense division, where the $2.2 billion in revenue fell short of the $2.3 billion expected.