Today: The Nasdaq and the SV 150 were the worst performers among the four stock market indices that affect the Bay Area, sinking around 3 percent on Monday, with the technology focused Nasdaq falling slightly more than 3 percent on Monday, while the SV 150, consisting of the 150 largest tech stocks in the Bay Area, fell 2.9 percent. The Nasdaq and the SV 150 were the worst performers among the four stock market indices that affect the Bay Area, sinking around 3 percent on Monday.