Wall Street ended the last trading day of April mixed.

The S&P 500 inched higher to a record closing high.

But a drop in Alphabet shares helped drag the Nasdaq lower on the session.

HD Vest advisor, John Vento: SOUNDBITE: HD VEST ADVISOR, JOHN VENTO (ENGLISH) SAYING: "Overall, I'm still very bullish that this expansion is going to continue.

So I would continue investing and not shy away from the market - at least not yet." Alphabet shares tumbled in their worst selloff in seven years.

The parent of Google reported its slowest revenue growth in three years.

Investors also took profits on other big name tech stocks like Amazon, Facebook, and Netflix.

Warren Buffett's Berkshire Hathaway is backing Occidental Petroleum's hostile bid for Anadarko Petroleum with a $10 billion injection.

Chevron had earlier agreed to buy Anadarko.

Anadarko shares slipped.

General Electric shares shot higher.

The industrial conglomerate swung to a quarterly profit from a loss, and it burned through a lot less cash than expected.

After the bell, shares of Apple rose 5 percent.

The iPhone maker's revenue forecast was stronger than expected, and CEO Tim Cook said iPhone sales had begun to stabilize in China.