Skyworks Solutions Inc. tumbled the most in the Russell 1000 index, even after the Woburn company raised its outlook a bit for earnings per share in its fiscal fourth quarter. Skyworks now expects non-GAAP earnings per share of 52 cents, versus previous guidance of 50 to 51 cents. But investors were disappointed with the wireless semiconductor company’s projections for chip supplies to Apple’s ­iPhone 5 during an analyst day event, Frederic Ruffy, a senior strategist at WhatsTrading.com, wrote in a note to clients.