e.l.f. Beauty, Inc. (ELF) , once a standout performer, recently encountered a significant setback, witnessing a decline of 20.1% over just a month, underperforming the industry’s decline of 8.9%. The renowned cosmetics and skin care products company has also trailed the broader Zacks Consumer Staples sector and the S&P 500's respective growth of 1.1% and 2% during the same period. This abrupt reversal in fortunes prompts investors to reconsider whether to hold on to their shares or cut their losses.Image So ...