China’s stock market has been on a roll — is it a boom or a bubble?
Investors talk at a stock exchange hall on February 3, 2017 in Hangzhou, Zhejiang Province of China. VCG | Getty Images China’s stock market has seen a sharp rally this year as progress on artificial-intelligence, steps aimed at gaining chip self-sufficiency and Beijing’s campaign to rein in price wars fuel investor optimism. But as retail…