Although First Ladies have been given important responsibilities in their husbands’ presidencies, none has taken such an active part in policymaking as Hillary Rodham Clinton did. Here are excerpts from interviews my colleagues and I conducted with Clinton administration officials and others who discussed her personality and her role. Did you get the impression that she may have been …

Bloomberg Don’t look now, but technology companies are exerting more control over the US stock market than any time since the internet bubble. Fueled by three-year rallies in which Microsoft Corp. and Alphabet Inc. doubled, Amazon.com Inc. tripled and Facebook Inc. surged fivefold, computer and software stocks have increased to almost 21 percent of the S&P 500 Index’s value, near …

  Bloomberg Kingsoft Corp Ltd., the Chinese software company whose chairman is Xiaomi Corp. co-founder Lei Jun, is preparing to go head-to-head with Alibaba Group Holding Ltd. in the rapidly growing market for cloud-computing services. Kingsoft Chief Executive Officer Hongjiang Zhang is banking on new businesses from mobile games to cloud computing to help pull the company out of the …