StockStory warns investors to be cautious of Byrna (BYRN) trading at $17.55 due to suboptimal cost structure, cash burn, and limited cash reserves. Bruker (BRKR) at $39.04 lacks organic revenue growth, shrinking free cash flow margin, and diminishing returns on capital. Berkshire Hills Bancorp (BHLB) at $26.13 shows slow net interest income growth, dropping net interest margin, and declining earnings per share. Investors should consider alternatives.

Read more at Yahoo Finance: 3 Stocks Under $50 with Warning Signs