Shares of Corning Incorporated (GLW) were trading near their 52-week high after management revised its second-quarter earnings outlook on Monday. The company expects second-quarter core sales to exceed its previous guidance when it officially releases the quarterly results at the end of this month.Management now expects second-quarter core sales of approximately $3.6 billion, indicating a 6% increase from its prior forecast of around $3.4 billion. Core earnings per share (EPS) are expected to be at the high ...