Border for Symbols in Charts

[#1]

Hi,

I have a chart like the picture below:

I just want the yellow symbol to have black border around it. Is that possible??

Thanks in Advance.

[#2]

Thanks but I knew all this and it isn't the answer to my question.

[#3]

Thanks.

I've tried all the fields you pointed out in the pictures to no avail.

and I didn't clearly understand what u said before the picture. could you be more clear?