U.S. stocks traded mixed for the week as investors digested a batch of corporate earnings reports and the latest Federal Reserve announcement after its monetary policy meeting.

For the week, the Dow Jones Industrial Average went up 1.16 percent, while the S&P 500 and the Nasdaq Composite Index erased 0.02 percent and 0.2 percent respectively.

Shares of Boeing soared 9.88 percent Wednesday, after the Dow-component company posted better-than-expected earnings.

Boeing's second-quarter GAAP earnings per share increased to 2.89 U.S. dollars and non-GAAP earnings per share rose to 2.55 dollars. The company also raised its full-year earnings guidance.

Shares of Facebook increased 2.92 percent on Thursday, after the social media giant posted better-than-expected quarterly results.

Facebook reported second-quarter diluted earnings per share of 1.32 dollars on revenue of 9.32 billion dollars. The company also posted its daily active users were 1.32 billion on average for June 2017, an increase of 17 percent year on year.

Shares of Amazon fell 2.48 percent to close at 1020.04 dollars per share on Friday, after the e-commerce giant posted downbeat quarterly results.

Amazon reported its net income was 197 million dollars in the second quarter, or 40 cents per diluted share, compared with net income of 857 million dollars, or 1.78 dollars per diluted share, in second quarter 2016.

Latest data from Thomson Reuters showed that the S&P 500 companies' blended earnings in the second quarter of 2017 are expected to rise 10.8 percent year on year, while the revenues are forecast to increase 5.0 percent.

Meanwhile, Wall Street kept an eye on the latest Fed decision after its two-day monetary policy meeting.

The Fed on Wednesday left its benchmark interest rates unchanged as expected amid soft inflation. But the central bank signaled that it would begin shrinking its balance sheet "relatively soon."

Market analysts had said the Fed might start the balance sheet reduction as early as in September.

On the economic front, the U.S. economy grew at an annual rate of 2.6 percent in the second quarter of the year, higher than the revised 1.2 percent growth rate in the previous quarter, according to the first estimate released by the Commerce Department on Friday.