S&P, Nasdaq enjoy boost from big tech firms, Dow ends a hair lower
* Disney slips after Barclays downgrades to 'equal weight'. Oct 18 - The S&P and Nasdaq closed higher on Monday with the biggest boosts from the highest-profile technology and communications companies while investors eyed product news from Apple Inc and appeared optimistic about the third-quarter earnings season.After a weak start following disappointing economic data from China, the S&P and Nasdaq gathered steam in late morning with gains in FAANG stocks - $Facebook$ Inc, Apple, Amazon.com Inc