Steer clear of stocks to avoid in order to effectively protect your investment portfolio.Moreover, the essence of investing is identifying the next high-flying stock and knowing which stocks to avoid. Additionally, in the past year, we’ve seen how investors have rushed into stocks with overstretched valuations in the fear of missing out. Also, several investors have tried to catch the next big AI penny stock, only to catch falling knives instead.Keeping that in mind, you should prune the following three sto ...