U.S. stocks opened modestly higher Tuesday after scoring a fresh round of records, but amid big questions surrounding the timing and scale of new fiscal aid and corporate earnings. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -1.75% gained 86 points, 0.3%, to open near 31,046, while the S&P 500 /zigman2/quotes/210599714/realtime SPX -2.45% was up 13 points, 0.3%, near 3,868. The Nasdaq Composite /zigman2/quotes/210598365/realtime COMP -3.52% added 46 points, 0.3%, and traded near 13,682. Shares of Moderna Inc. /zigman2/quotes/205619834/composite MRNA +2.48% slipped 1% in early trade after surging more than 12% Monday after the drugmaker said it was on track to deliver 100 million doses of its COVID-19 vaccine by March. Johnson & Johnson shares rose after the company reported stronger-than-expected earnings and revenue. Meanwhile, in Washington, easy passage of an ambitious aid package looked to be in doubt as Congress gets set for a second impeachment trial of former president Donald Trump.





