China’s government is reportedly looking to take control of ride-hailing giant Didi, the latest development in a broader crackdown that has kept Chinese tech companies and investors on their toes for months. Under plans being considered by China’s government, a subsidiary of Beijing’s city government could take a stake in Didi — the world’s largest ride-hailing company — that includes a “golden share” with a board seat and veto power, Bloomberg reported on Friday. Investors reacted positively to the report, sending Didi’s New York-traded shares up 7.5 percent to $9.54 early Friday. They then fell back to somewhat to $9.08...