https://www.reuters.com/article/us-china-fintech/china-orders-fintech-firms-to-stick-to-the-rules-as-clampdown-widens-idUSKBN2CG1EV >BEIJING (Reuters) -Chinese financial watchdogs on Thursday summoned 13 internet platforms engaged in finance business, including heavyweights Tencent and ByteDance, to order them to strengthen compliance with regulations, the central bank said.