Despite solid Q3 results, shares of upscale apparel maker Vince Holding (VNCE) plunged on weak full-year EPS guidance for 90-94 cents, the midpoint of which fell below views for 94 cents. The full-year sales outlook of $335 mil-$345 mil largely fell below forecasts for $345 mil. Q3 EPS rose 25% to 35 cents, topping by 2 cents, and sales grew 20% to $102.9 mil, also topping. Same-store sales rose 5.2%. Shares plummeted 19.3% to 29.48.