US stock index futures ticked higher on Wednesday as investors held out for a bipartisan agreement over the next coronavirus aid package to support a weak economic recovery.

The White House and Democrats in the US Congress made development in talks over the relief deal on Tuesday although a timeline of when the bill could be passed was not certainly clear. The Trump administration has proposed $1.8 trillion in aid, while democrats are pushing for $2.2 trillion.

Wall Street’s fear gauge hit a one-month high as the US election campaign set foot in its last stretch. Democratic challenger Joe Biden and President Donald Trump will face off in their second and last debate on Thursday night.