Apple stock is continuing to climb today after a tweet from Carl Icahn revealing a large stake in the company. Ron Insana, Dave Maney, and Peter P. Costa, discuss the use of social media during trading hours to announce stock positions.

Peter P. Costa, president of Empire Executions, Inc., discusses this weeks economic calendar, including retail sales, CPI and housing starts data.

Apple is reporting Q3 EPS of $7.47 on revenue of $35.3 billion. Peter P. Costa, Empire Executions, and Zane Brown, Lord Abbett, discuss today's market action.

Peter P. Costa discusses the outlook for U.S. equity markets for the summer and the rest of the year. Earnings, data and global central banks are discussed.