Boeing and GE shares fall as India's aviation regulator orders Air India to inspect Boeing 787s and GE engines post-crash; YTD gains reversed.

• India crash kills 240; regulator mandates Boeing 787, 8/9 fleet safety inspections and GE engine checks.
• GE GEnx engines on crashed Boeing 787 prompt one-time take-off parameter checks for Air India flights.
• Air India operates 30+ Boeing 787s; crash impacts Boeing and GE shares despite ~15% and ~44% YTD gains.