After-Hours Stock Movers:

Alphabet (NASDAQ: GOOGL) climbed 15% after delivering impressive quarterly performance, with results beating consensus across the board, especially in cloud . It also announced a divided and share buyback program.

Microsoft (NASDAQ: MSFT) rose 5% after tech giant beat Wall Street estimates on the top and bottom line.

Snap (NYSE: SNAP) rose 25% after ad strength helped it deliver a beat on EPS and revenue. It also issued stronger than expected guidance.

Intel (NASDAQ: INTC) slumped 9% after issuing softer than expected guidance for the second quarter.

Roku (NASDAQ: ROKU) rose 2.5% after it reporting strong revenue to start the year. Second quarter revenue guidance was also impressive.

Atlassian (NASDAQ: TEAM) declined 7% despite beating quarterly estimates after its Co-CEO Scott Farquhar said he would step down.

Western Digital (NASDAQ: WDC) declined 1% despite beating quarterly estimates on strong gross margin, as revenue failed to impress investors.