US stocks open higher after Japan widens stimulus By: CNBC.com News October 31, 2014 at 09:30 AM EDT Stocks rose Friday, with benchmarks at or near records, after the Bank of Japan unexpectedly expanded stimulus, sparking hopes for the global economy. Read More >> Related Stocks: Citigroup Exxon Mobil Gopro Inc Cl A Sentinelone Inc Cl A Starbucks Corp Visa Wal-Mart Stores, Inc.