Last week was a bumpy ride for tech stocks as earnings fromAlphabet Inc.(NASDAQ:GOOG)(NASDAQ:GOOGL) andTesla, Inc.(NASDAQ:TSLA) set off a major sell-off that sent chills down investors' spines.

Big Tech should calm any remaining jitters this week as other top players in the sector show how much they are investing in artificial intelligence in their quests for gold medals, an analyst says.

This week's upcoming tech earnings will be "a major positive catalyst" for the sector, which should see stocks jump another 15% to 20% for the year,WedbushanalystDaniel Ivessaid.

"Now...