Shares of cosmetics giant e.l.f. Beauty (NYSE: ELF) stock soared 12% in January, according to data provided by S&P Global Market Intelligence. There were two main drivers: changes in tariffs that could benefit the company and investor sentiment that the stock might be undervalued. Image source: Getty Images. Where to invest $1,000 right now? Our analyst team just revealed what they believe are the 10 best stocks to buy right now, when you join Stock Advisor. See the stocks » A cosmetics rockstar E.l.f. ...