At some point in time, virtually every business reporter will write a story about one company buying another. It is like a police reporter writing a story about a murder. Both of these news events happen with regularity. In the first half of 2015, there were $1.7 trillion worth of mergers and acquisitions, according to Mergermarket, an 11 percent increase from the same time period in 2014 and the highest level for a six-month time period since the first half of 2007. In addition, large deals-those worth more than $10 billion-hit a record high in the first half of 2015.