(For a Reuters live blog on U.S., UK and European stock markets, click LIVE/ or type LIVE/ in a news window) * Fed's Brainard signals slower rate hikes ahead * Tech and growth stocks off session lows * Biogen, Lilly rise on Roche's Alzheimer's drug failure * Indexes: Dow up 0.31%, S&P flat, Nasdaq down 0.36% (Adds analyst comment, updates prices throughout) By Ankika Biswas and Amruta Khandekar Nov 14 (Reuters) - The S&P 500 and the tech-heavy Nasdaq pared losses on Monday as comments from U.S. Federal Reserve Vice Chair Lael Brainard lifted hopes that the Federal Reserve could...