Cirrus Logic surges as Wall Street plugs in high-tech earbuds

By Noel Randewich SAN FRANCISCO (Reuters) - Shares of Apple supplier Cirrus Logic Inc surged 7.5 percent on Friday after its quarterly results beat expectations and Wall Street bet on the future adoption of fancy earbuds with high-end digital technology. Helped as well by increased sales of its components to Apple, shares of the audio chipmaker were on track for its strongest day in a month. Apple Inc's decision to abandon the traditional headphone jack in its recently launched iPhone 7 and powe