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Banks also said that Trump's coronavirus illness raises the profile of this debate, but only by a little, and that the vice-presidential debate is "highly unlikely" to shift the race.
Based on an initial estimate, Shenzhen's GDP reached 2.6 trillion yuan in 2019, with a slowed growth rate of about 7 percent.
Baidu also announced it will launch autonomous cars with Level 3 capabilities in 2021 in a partnership with Chinese electric car startup WM Motor.
Bank of America, Deutsche Bank, Goldman Sachs, JPMorgan and Morgan Stanley are the lead sponsors of the deal.
Baosteel said its gross profit margin for the main business of steel-making fell by 8 percentage points from a year earlier to 9 percent last quarter.