Penny stocks are the lottery tickets of the stock market. For every penny stock that goes on to be a long-term winner, there are hundreds of others that have little or no future. It's not a surprise. Low-priced stocks are rife with danger because most trade over the counter to avoid the oversight and disclosure requirements of larger stock exchanges.Thus, a random sampling of penny stocks would reveal companies with real problems -- management teams that run the business to fund their personal spending, stock promoters who hope to pump up the share price to dump stock on unsuspecting investors, and companies who have gone through a laundry list of auditors in short periods of time.Below, three Fool.com contributors make the case for Goldman Sachs (NYSE: GS), AerCap Holdings (NYSE: AER), and Realty Income (NYSE: O) as stocks to buy and hold instead.Continue reading