Peta cat on the sidewalk when they do this
The A's never did this back when I sold 'em
I could be a startup that wasn't good at business
When you see the three, you'd better hold 'em
What am I?
There are 5 clues in this riddle, and each must be identified and explained to get the check!
Hints:
The first clue is in the first line: "Peta" is not a typo.
The second clue is something cats do on the side walk, usually to scratch their back. I am a four letter word