The Nasdaq rose, and shares of NvidiaNVDA.O gained 2.9% after Goldman Sachs added the chipmaker to its conviction list of top stock picks. By Caroline Valetkevitch NEW YORK, Oct 2 (Reuters) - The S&P 500 ended nearly flat on Monday with utilities falling sharply and investors weighing the likelihood the Federal Reserve will need to hold interest rates higher for longer. Fed Governor Michelle Bowman said she remains willing to support another increase in the central bank's policy interest rate at a future meeting if upcoming data shows progress on inflation is stalling or proceeding too slowly.