The main US stock benchmarks closed higher on Friday, as optimism about the US economy continued.
More US states are taking measures to ease lockdown restrictions as more Covid-19 vaccines are being distributed.
The International Monetary Fund raised its projections for the global GDP to grow by 6% in 2021.
The IMF also estimated the US economy to grow to 6.4% in 2021 based on the Federal Reserve's forecasts.
Data showed that the US producer price index rose 1% in March, beating forecasts of a rise by 0.5%.
To the oil market, WTI crude May futures fell 0.5% or 28 cents, and closed at $59.32 a barrel, and posted a weekly loss of 3.5%, after hitting a high of $59.9 and a low of $59.1.
Brent May futures fell 0.4% or 25 cents, and closed at $62.95 a barrel, and posted a weekly loss of 2.9%, after hitting a high of $63.4 and a low of $62.5.
As for stocks, Dow Jones rose 0.9% or 297 points, and closed at 33,800, with a weekly gain of 2%, a day high of 33,810, and a low of 33,526.
Nasdaq rose 0.5% or 70 points to 13,900, but registered a 3.1% weekly gain, with a high of 13,905 and a low of 13,748.
S&P 500 rose 0.7% or 31 points to 4,128, and posted a weekly gain of 2.7%, after hitting a high of 4,129 and a low of 4,095.