Wynn Resorts narrowed its losses during the fourth quarter of 2009, the company reported today, and Chairman and Chief Executive Steve Wynn said he remains guarded on Las Vegas’ outlook. Wynn Resorts said it lost $5.2 million, or 4 cents per share, during the fourth quarter of 2009, compared to a loss of $159.6 million, or $1.49 per share, in the fourth quarter of 2008.