How to concatenate variables into URL?

In Delphi can I concatenate into the URL a variable containing the price? Here’s what the urL might look like, not sure:



http://www.collective2 .com/cgi-perl/signal. mpl?cmd=signal&

systemid=1234&pw=abcd&instrument=future&action=BTO&quant=5&

symbol=@ESU6&limit=1000&duration=GTC&stoploss=’ + mystop + ‘&profittarget=’ + mytarget