Neither Ford nor Penny were publicy traded back then. GM was. US Steel was. U S Steel was THE blue chip back then. It traded at about $230 a share at its high prior to the crash. It was one of the heaviest traded stocks day in & day out, somewhere between 100,000 & 200,000 shares a day, not much by today is standards; but a lot of stock when the average NYSE volume was 3,000,000 shares. GM traded at about $75 a share back then. But the darling was RCA. The tech stock of 29. About $110 a share, but it fluctuated a lot. Something u may not be aware of that most of the companies that traded publicly back then that r still alive today have split their stock many times since then. That 250 a share on X would be worth maybe $5.00 at today is prices. Other popular stocks were Montgomery Ward at about 115, NCR at about $110 another tech stock. Anaconda Copper at about $100, American Can about $170