I agreed to let him join us, even though it was 'against my better judgment'. [=even though I did not think it was the best thing to do]
In my 'judgment' [='opinion'], the stock has performed badly. = It is my 'judgment' that the stock has performed badly.
“Were his policies good or bad?” “I'll have to 'reserve/suspend judgment on' that. It's too soon to know.”
(..) I need to do everything I can. Let's go. Please. Christabella, let her live. Your weakness led these souls to judgment. - This time you will bear witness. - She is innocent. Look at her. She's the whelp of your daughter. The demon! (..)2006 Silent Hill
(..) Your daughter... Why you won't just name the father... You've brought sin amongst us. The faithful must gather in judgment... ...for we are called to purify this filth. What does she mean, Mommy? You're weak, my dear sister. You always were. Trust us, Dahlia. (..)2006 Silent Hill