U.S. stocks finished Monday mixed as volatile trading gripped Wall Street after federal banking regulators took aggressive actions to stem the fallout of Silicon Valley Bank’s failure. The S&P 500 (^GSPC) declined 0.1{515baef3fee8ea94d67a98a2b336e0215adf67d225b0e21a4f5c9b13e8fbd502}, while the Dow Jones Industrial Average (^DJI) ticked down 0.3{515baef3fee8ea94d67a98a2b336e0215adf67d225b0e21a4f5c9b13e8fbd502}. Contracts on the technology-heavy Nasdaq Composite (^IXIC) rose 0.4{515baef3fee8ea94d67a98a2b336e0215adf67d225b0e21a4f5c9b13e8fbd502}. Bond yields plunged. The yield on the benchmark 10-year U.S. Treasury note dipped to 3.54{515baef3fee8ea94d67a98a2b336e0215adf67d225b0e21a4f5c9b13e8fbd502} Monday. Traders are also repricing short-end bonds pushing the front end of the yield curve, as two-year yields dropped to 3.9{515baef3fee8ea94d67a98a2b336e0215adf67d225b0e21a4f5c9b13e8fbd502}. The moves came after stocks got smoked on Friday, rounding out their worst week so far this year. Federal regulators closed tech-focused…