Just do it is a great slogan not only for athletic endeavors but also for dealing with controversy. Now, Nike (NKE) must persuade investors that it will deal effectively with allegations of sexual harassment and gender discrimination within its corporate culture. CEO Mark Parker showed how seriously Nike took the issue when he brought it up first thing in a conference call with analysts to discuss the company's most recent quarterly earnings. The controversy comes as Nike faces other challenges. Although growth in international markets is strong, competition at home is brutal. Some analysts see 2018 as a year of rebuilding. But there is no rush to buy, wrote analysts at Canaccord Genuity in a recent report.