you sent coins without paymentID, so your coins cannot reach to your balance, you must contact stock to get back your coins. In fact, your transaction already confirmed.
Actualy I did sent paymentID
No way. paymentID cannot disappear unreasonably, look at the image below. Once it's confirmed it gone.
https://i.imgur.com/7WVgiOA.pngI did enter stocks.exchange address and paymentID then clicked SEND and just waited... that's it, after few hours I've came back to wallet and that's what I got :S