Matt Townsend: CJ Chu is a retailer’s nightmare.  The 24-year-old associate for a private-equity firm does “99 percent” of his shopping online — even toothpaste. He’d rather buy groceries on the Web than walk to the supermarket.  “Convenience and free time is something I value,” said Chu, who works for Bridge Growth Partners LLC in New York. … Continue reading Millennials Shunning Malls Speeds Web Shopping Revolution