update stock set 
Sdescription = '<@DESCRIPT@>',
sstockcode = '<@PROCCODE@>',
FSELLINGPRICE1= <@AMOUNT@>,
FSELLINGPRICE2= <@AMOUNT@>,
FSELLINGPRICE3= <@AMOUNT@>
where Wstockid = <@WSTOCKID@> 
@@GO@@