Selam aleykum we rahmetallahu,

There is a difference of opinions on this matter, so I also suggest you do not go and say "that's totally wrong" to someone who does this, or who doesn't do this. This is better adaab inshaAllah.

Read here:
http://www.islamweb.net/ver2/fatwa/S...Option=FatwaId


I myself am Hanafi and follow the Hanafi opinion which is to raise it while saying "ashhadu al laa ilaha illallah" and lower it when saying "wa ash hadu anna muhammadan abduhu wa rasuluhu" and to keep the finger pointed steadily forward while raised, not moving, and to join the middle finger and thumb to make a ring while doing it.

I have heard the stronger opinion is that one is not to move but, I won't make any statements of that kind, always better to ask learned ones.

Allahu Aleem.