US Senate Majority Leader Mitch McConnell said Democrats “poured cold water” on his offer to set aside some issues in an aid bill and rebuffed US Treasury Secretary Steven Mnuchin’s US$916 billion proposal. Shares of Apple (-2.2%), Microsoft (-2%) and Salesforce (-3.2%) weighed on major indexes. Facebook shares dropped 1.9% after an antitrust lawsuit was filed against the company. Tesla shares slumped 7% after JPMorgan said the electric-car maker is “dramatically” overvalued. Chip stock Qorvo fell 5.6%. But Lowe’s shares jumped 5.9% on a US$15 billion share buy-back plan. Food delivery app DoorDash (+85.8%) made its trading debut. The Dow Jones index closed down by 105 points or 0.4%. The S&P 500 index fell by 0.8%. And the Nasdaq index lost 244 points or 1.9%.