Mouse-maker Logitech finds success by moving beyond PC legacy

By Eric Auchard BARCELONA (Reuters) - Pioneering computer mouse maker Logitech isn't ready to walk away from the personal computer business just yet, even though its chief executive spends all his time these days thinking how to expand into faster-growing accessory markets. Bracken Darrell, the company's design-minded president and CEO, has devoted his four years in charge of the Swiss-American electronic accessories maker to push Logitech into mobile music speakers, gaming, wearables and home a