Safe Bulkers Inc. (SB) is considered one of the most profitable penny stocks to invest in. This company has shown strong financial performance and is a popular choice among investors looking for potential growth opportunities. With its solid track record and promising outlook, Safe Bulkers Inc. has attracted the attention of many traders seeking to capitalize on its success. If you are looking for a penny stock with high potential for returns, Safe Bulkers Inc. may be worth considering for your investment portfolio.