Overall, I would agree with you. However, pinksheet and thinly traded stocks are easier for these manipulators and MM to "play" with. I watched INNO go down repeadedly on 100 shares sales that drove the price down about 50%. I trusted the fundamentals and I bought more at $2.00 a share.
Within two months I was greatly rewarded with over a 100% profit. With INNO, I knew their customer AEOS was doing really well.