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Boosted by gains in industrial shares following reports of renewed trade negotiations, both the S&P 500 and the Dow Jones Industrial Average posted their biggest monthly percentage gains since January, when markets hit peak levels, Reuters reported.

Boeing has submitted updated software for the 737 MAX jet's anti-stall system to the Federal Aviation Administration for review and certification testing, but it's unclear when the troubled airliner will return to commercial service.

Big data and 5G technology will play an important role in unmanned driving, according to Zeng.

Both negotiating teams are maintaining close contact in follow-up work, like signing the agreement, Gao said at a weekly briefing.

Boeing uses AR to guide workers who build and service planes. So does Airbus.