US contracts stabilized, after strong gains achieved by technology companies Nvidia and Microsoft, pushing the S&P 500 index to its highest close in about 4 months.

On Tuesday, November 21, investors are awaiting the minutes of the Federal Reserve meeting, which was held from October 31 to November 1.

Traders are hoping to gain some information about policymakers' decision on the interest rate and see what it might take to change course in the future.

Federal Funds futures pricing data indicates a nearly 100% probability that the Federal Open Market Committee will keep interest rates steady at its next meeting in December.

A list of companies, along with Nvidia, are scheduled to publish their quarterly results on Tuesday.