You need to wait 3 days from when you bought them. Then during Monday-Friday 12:00 pm - 4:00 pm EST you just sell them.
Like Matrix said, you can sell your stocks after owning them for 3 days. They're sellable during weekdays in between the times of 12pm and 4pm. Thread moved to the appropriate section of Help & Support.
Well, that depends, there's a lot of em, you just kinda have to look around for the one that's going up
You're acting like we're able to tell the future. There's literally no way to tell what's the "best stock" to invest in.