jpmorgan russian securities plc said tuesday that it will be suspending share buybacks during the current market conditions noting that 494 of stocks held in its portfolio are unable to trade due to recent restrictions the investment trust said that 401 of its holdings are in american depositary receipts or global depositary receipts where trading has been disrupted it added that the rest of its holdings are held mostly in us dollar cash or cash equivalents it also said that the manager has agreed to waive its fee until further notice shares at 1428 gmt were down 890 pence or 26 at 2600 pence