US STOCKS-Wall Street ends flat; Alphabet and Microsoft tumble
* S&P tech sector has worst session since February
* Alphabet has worst day since 2012; Microsoft drags on indexes
* Oil marks third week of gains as market sentiment improves
* Indexes end: Dow +0.12 pct, S&P unchanged, Nasdaq -0.8 pct (Updates to close)
By Noel Randewich
April 22 (Reuters) - Wall Street finished flat on Friday after disappointing quarterly reports from Microsoft and Alphabet slammed tech stocks, while a surge in oil prices lifted energy shares.
The S&P technology sector dropped 1.9 percent, its worst decline since early February, with Facebook down 2.5 percent and Intel falling 1.03 percent.
Microsoft dropped 7.17 percent, contributing the biggest drag to the S&P 500, and Google-parent Alphabet lost 5.41 percent as investors punished both companies for missing profit and revenue estimates. It was Alphabet's worst day since 2012.
Helped by a softer dollar and a recovery in oil prices, the S&P 500 has rebounded from a steep selloff earlier this year and is only about 2 percent short of last May's record high. Continuación...