Articles from the Wall Street Journal: •J.C. Penney CEO Quits to Join Lowe's •Zuckerberg Enters the Lion's Den: Privacy-Focused Europe •U.S. and China Edge Toward a Resolution of Trade Standoff •Banned From Amazon: The Shoppers Who Make Too Many Returns •Uber's New Rules on Arbitration for Sex-Related Claims Face First Test •In Trade War With U.S., China Gets the Upper Hand •U.S., China Agree on Outline to Settle ZTE Controversy •Split in Goods and Services Inflation Underscores Fed's Challenge •Software CEOs' Median Pay Dented by Alphabet, Facebook •Sony to Buy Mubadala's Stake in EMI Music Publishing •How HP Survives in a Shrinking PC Market •An Immigration Debate Distinct From Economic Realities •Global Economy Week Ahead: U.S. Sentiment, U.K. Inflation, Eurozone PMI •IMF Begins Work on Bailout for Argentina, With U.S. Backing •Starbucks Clarifies Policy on Allowing Nonpaying Guests •GE to Merge Rail Division With Wabtec in $11 Billion Deal •Santos Rejects More-Than $10 Billion Offer as Oil Prices Rise