By Ovunc Kutlu
The stock market opened mixed on Friday.
The Dow rose 1 point to begin trading at 20,580 points, while the S&P 500 lost almost 2 points to 2,353.
The Nasdaq decreased 7 points to begin the last trading day of the week at 5,909.
The three main indexes rallied Thursday, after Treasury Secretary Steven Mnuchin said that the tax reform legislation would come "very soon".
On Thursday, the Dow added 174 points to finish at 20,578 and the S&P rose 17 points to end the day at 2,355, while the Nasdaq increased 53 points to close at 5,916 -- its highest level ever.