https://www.reuters.com/article/tencent-stocks/tencent-shares-fall-after-china-tightens-rules-for-young-video-gamers-idUSKBN2FW041 >(Reuters) -Shares of Tencent Holdings Ltd dropped nearly 3% on Tuesday, after China announced new rules forbidding under-18s from playing video games for more than three hours a week.