Provided by Dow Jones By Mischa Frankl-Duval Here's what we are watching as markets kick into gear Friday. -- U.S. stock futures traded close to the flatline as investors monitored whether Covid-19 infections and worsening economic data would push lawmakers to cement a coronavirus-aid package. Futures tied to the S&P 500 rose 0.1%, suggesting the benchmark stocks gauge will open relatively unchanged after notching another record close Thursday. Futures tied to the technology-focused Nasdaq-100 rose 0.2%. Read our full market wrap here. What's Coming Up Today is quadruple witching, a quarterly event which sees options and futures on indexes and stocks expire simultaneously. Quad witching days are typically some of the busiest trading sessions of the year.