The S&P 500 and Nasdaq joined the blue-chip index in the black, with investors shrugging off potential Election Day headwinds, a supply warning from Apple (AAPL), and looming inflation data later in the week. Wall Street's "fear gauge," the Cboe Volatility Index (VIX), fell for the third straight day and logged its lowest close since Sept. 12. 5 Things to Know Today The Fannie Mae Home Purchase Sentiment Index took a tumble for the eighth straight month in October, and is at its lowest level on record.