7 F-Rated Stocks to Avoid Now The best investors know how to identify winners and fill their portfolios with equities that have the best potential for returns. And at the same time, they know which stocks to avoid. Identifying red flags that make a once-promising name a likely loser is a skill that any investor needs to cultivate. That’s why the Portfolio Grader exists. It’s a great tool that can help you identify what stocks to buy now, and also which stocks to avoid now. By evaluating a stock based on its fundamentals and its buying pressure – essentially, the amount of money flowing into a stock and its momentum – the Portfolio Grader gives you an advantage in evaluating stocks. Stocks that should be avoided at all costs get “F” grades. The following picks may be household names, but they’re definitely stocks to avoid. If you have any of these in your portfolio, this is your wake-up call to take action. BIIB Biogen $220.80 CIM Chimera Investment $9.51 COIN Coinbase Global $87.91 DIS The Walt Disney Company $120.