Apple's 4.7% gain on Friday following its latest earnings report made it the biggest contributor to the S&P 500's advance, according to FactSet data. Microsoft, Amazon and Tesla were also lending a hand.

The U.S. stock market is rising toward more records after Apple, Estee Lauder and others joined the list of companies delivering fatter profits for the start of the year than analysts expected.

Apple stock doesn’t have much farther to go before closing above $4 trillion in market capitalization. Earnings could help it get there. Apple shares were up 0.3% Thursday morning to $270.20, pushing the iPhone maker’s market cap to $3.

The Dow Jones Industrial Average was roughly split ahead of the closing bell between components in the green and those in the red. But big losses from Amgen and McDonald's were weighing on the blue-chip gauge,

Major stock indexes were rose on the final trading day of April, as investors mulled earnings reports from four tech giants and awaited those from another member of the "Magnificent Seven," Apple.

The S&P 500 and the Nasdaq advanced to record closing highs on Friday, boosted by robust earnings and a dip in crude prices, and turning the page on their biggest monthly percentage gains in years.