* Stock up 150 pct since resuming trade in June * Accounted for 45 pct of Dubai's June trading volume * Follows last year's bubble in Arabtec shares * Shows institutions still not influencing trade * Dubai more modestly valued than during Arabtec debacle By Olzhas Auyezov DUBAI, July 23 (Reuters) - A surge in shares of Amlak Finance since they returned to Dubai's stock market last month has raised concerns about a new wave of unbridled speculation on one of the region's biggest exchanges.
Take context from the input text and decide on the accurate relationship between 'Arabtec' and 'Dubai' from the options provided.
Options: operator, headquarters location, industry, original broadcaster