These stocks are down as much as 74% this year. Tap into your inner contrarian.It's been a rough first half for some investors. If you owned shares of UiPath (PATH -1.30%), Chegg (CHGG 4.05%), and Roku (ROKU 2.01%) since the start of 2024, you're in a world of hurt. The three stocks are down between 36% and 74% so far this year.It doesn't have to stay that way. I think all three stocks have a chance to deliver meaningful gains in the final six months of 2024. They may not make back the ground they lost in t ...