Markets eye 3rd week of gains as Robinhood stock leads S&P 500

As US stocks (^DJI, ^GSPC, ^IXIC) are set to close out with a third straight week of gains, Yahoo Finance Senior Producer John Hyland takes a closer look at this week's market action. Tech (XLK), consumer discretionary (XLY), and financials (XLF) have been the best-performing sectors this week, while Robinhood (HOOD) was the S&P 500's (^GSPC) best-performing stock this week.