US stocks fell amid a highly volatile movement. Heavy losses were seen in the indices and with the downward move, the Nasdaq and the S&P 500 added to the steep losses posted in the previous session. The major averages all ended deeply in red. The Dow lost 1.3% while Nasdaq fell 0.7% and the S&P 500 lost 0.8%. The US treasury yields moved up from four month lows as markets assessed the overall economic cues and political landscape. US markets also seemed to be linked to the concerns over chip-related companies.