| | WASHINGTON/BEIJING (Reuters) - U.S. President Donald Trump said he was pushing ahead with hefty tariffs on $50 billion of Chinese imports on Friday, and the smoldering trade war between the world's two largest economies showed signs of igniting as Beijing immediately vowed to respond in kind. | | | NEW YORK (Reuters) - U.S. stocks ended down on Friday on worries over an escalating trade dispute between the United States and China, but indexes closed well off the day's lows. | | | WASHINGTON (Reuters) - U.S. President Donald Trump's new trade tariffs will lop at most a couple of tenths of a percentage point off U.S. growth and add a similar amount to inflation, small fry for a $19 trillion economy that is experiencing its second longest economic expansion on record. | | | BEIJING/SHANGHAI (Reuters) - China is yet to approve U.S. chipmaker Qualcomm Inc's proposed $44 billion acquisition of NXP Semiconductors , three people close to the talks said, dismissing an earlier media report that said Beijing had already greenlit the deal. | | | BRUSSELS (Reuters) - EU antitrust regulators have given the green light to U.S. cable company Comcast's plan to acquire European pay-TV group Sky without demanding concessions. | | | NEW YORK (Reuters) - Chicago-based planemaker Boeing Co said it is assessing the possible impacts of U.S. tariffs on Chinese goods and any reciprocal action it could trigger on the manufacturer's supply chain and commercial business. | | | (Reuters) - Blood testing company Theranos Inc said on Friday its founder, Elizabeth Holmes, would step down as chief executive officer, amid fraud charges leveled against the privately held firm. | | | DUBAI (Reuters) - Saudi Arabia plans to host a leaders' oil summit later this year for OPEC and non-OPEC countries participating in a supply cut pact, two sources familiar with the matter said on Friday. | | | WASHINGTON (Reuters) - Wireless companies Sprint Corp and T-Mobile US Inc have informed the Federal Communications Commission that they will formally file an application asking for approval to merge on Monday, according to a document seen by Reuters. | | | (Reuters) - AT&T Inc is committed to spend as much as needed on the media business of newly acquired Time Warner Inc, Chief Executive Randall Stephenson told CNBC on Friday, with a plan to invest $21 billion to $22 billion in the combined company. | | | | |