The stock sank despite the company raising its full-year guidance. Shares of e.l.f. Beauty (ELF -2.16%) sank after the cosmetic company's guidance failed to excite investors. The stock is still up by over 40% in the past year even after the recent pullback. Let's go beyond the surface and see if see if the pullback in the stock is a good opportunity to buy shares. Strong fiscal Q1 revenue growth For its fiscal first quarter, e.l.f. soared past analyst estimates, with quarterly sales jumping 50% to $324.5 mi ...