Global antitrust enforcers have shown little sign of taking the summer off, and competition law enforcement remains a high priority in many countries. Here’s a look at four important trends that businesses should not ignore: the recent flurry of investigations and market studies into digital markets and possibilities for reform; the value of an effective competition compliance programme and how best to go about developing one; the continued determination of competition authorities to intervene in mergers and top tips for getting your deal over the line without surprises; and the reinvigorated debate about the interplay between competition and industrial policy.