(This content was produced in Russia where the law restricts coverage of Russian military operations in Ukraine) MOSCOW (Reuters) – A few dozen Russian retail investors handed in a letter to the country’s second-biggest bank VTB on Friday asking for compensation for losses made on their foreign investments after Western sanctions were imposed earlier this year. In the letter, they said VTB – among the first Russian entities sanctioned after Moscow sent troops into Ukraine on Feb. 24 – closed operations for retail investors too quickly and so deprived them of a chance to sell their now-frozen a…