<p dir="ltr"><span>Financial Tribune- Abdolnasser Hemmati in an Instagram post Friday said the CBI is stepping up efforts to control currency rate volatility and curb the galloping inflation. <br> Hemmati spoke of a relatively less-publicized plan -- setting up a bartering system to facilitate trade with Iranian partners overseas. <br> Bartering goods can and should help when almost all foreign monetary channels are closed due to the US banking restrictions, he said.<br> <br class="t-last-br"> </span></p>