A tale of two markets: Wall Street cheers record highs while Beijing deflates bubbles

When the S&P 500, Nasdaq and Dow Jones Industrial Average hit record highs in early July, US President Donald Trump hailed it as evidence of America’s economic revival.
“This is WINNING. The Golden Age of America is beginning – and we are just getting started,” he wrote in a social media post on July 4, the 250th anniversary of the signing of the US Declaration of Independence.
Though it was only the latest in a long series of boasts about the stock market that have punctuated Trump’s...