Pink is the new black. Women’s hemlines rise and fall faster than stock prices, jeans yo-yo between flared and skinny, and black becomes the “new black” before another color takes its place again. Frivolous as it seems, shopping is about power, and no one is better qualified to talk about its how’s and why’s than SM, Inc. President Teresita Sy-Coson, whose success hinges on knowing the consumer psyche.