The CNN Money Fear and Greed index showed a decline in the overall market sentiment, while the index remained in the “Fear” zone on Tuesday. U.S. stocks settled mixed on Tuesday, with the S&P 500 recording gains for the second straight session. NVIDIA Corporation (NASDAQ:NVDA) shares gained 1.5% on Monday. Advanced Micro Devices, Inc. (NASDAQ:AMD) and Microsoft Corporation (NASDAQ:MSFT) also closed higher during the session. On the economic data front, the NFIB Small Business Optimism Index fell to 91.2 in August, recording the weakest reading in three months, and versus July’s reading of 93.7…