RPT-BUZZ-U.S. stocks weekly: Cloudy skies By: Reuters: Company News May 21, 2018 at 07:08 AM EDT ** S&P 500 dips 0.5 pct on the week as investors grapple with murky trade negotiations, increasing oil prices and rising bond yields Read More >> Related Stocks: Alphabet-A Amazon.com Applied Materials Campbell Soup Cisco Systems Facebook Home Depot Macy's Netflix Nordstrom Wal-Mart Stores, Inc.