Sign at the entrance to the Lululemon store in Midtown Manhattan.Lululemon shares plunged in extended trading Thursday after the company gave a much worse than expected full-year outlook.The company topped second-quarter earnings estimates but slightly missed revenue expectations. But it said it expected tariffs to hit its full-year profits by $240 million.Lululemon said it expects full fiscal year earnings of$12.77 to $12.97 per share, well below Wall Street estimates of$14.45 per share. It also anticipa ...