Here’s what to know about the biggest sources of tension in U.S.-China relations before the first summit in Beijing in nine years between the nations’ leaders.

Hedge fund gives ultimatum to members of its global quantitative strategies team based in territory

Ex-partners are subverting the ‘payment reference’ feature in bank transactions to send abusive messages

Celso Brunetti, Jeffery H. Harris, Ioannis SpyridopoulosNo, in the mortgage market. Using confidential micro-level data combining mortgage contracts with credit and repayment records for 44 million loans spanning 5,000 bank mergers over nearly three decades, we find no changes to mortgage rates, approval rates, or delinquency rates. Local mortgage markets remain remarkably competitive despite consolidation, averaging over 100 active lenders in each county every post-merger quarter.