(Reuters) – Russian brokerage ITI Capital said on Tuesday it had launched a programme to buy or sell Russian blue chips while trading on the Moscow Exchange remains suspended. The Moscow Exchange halted stocks trading on Feb. 28, days after Russia began what it calls a “special operation” in Ukraine. This week, the central bank ordered the bourse to remain shut until at least March 18. ITI Capital said it will buy or sell shares in Russia’s largest lender Sberbank, gas giant Gazprom, metals producer Norilsk and second-largest oil producer Lukoil. ITI Capital will take orders under its “Blue ch…