chi-CasualDiningQ12017PhotoBox Many in the sector have changed with the times, but others still have work to do.

CHICAGO—Millennials have disrupted the office sector with their preferences for open collaborative environments, but they are also disrupting the world of restaurants with their preferences for healthy food and more home delivery. As a result, investors in the net lease casual dining sector have grown a bit more cautious, and the most sought-after brands are the ones that have adjusted to the times.