(Adds analysis, context) By Olzhas Auyezov DUBAI, **v 12 (Reuters) - Shares in Saudi Arabia's biggest lender, National Commercial Bank, jumped their daily 10 percent limit upon listing on Wednesday after a $6 billion IPO, the largest ever in the Arab world and the second-biggest globally this year. Completing the initial public offer last week, state-owned NCB said the $3.6 billion portion for retail investors was 23 times subscribed, with a total of 1.25 million subscribers - roughly one in every 16 Saudi citizens - taking part. ...