Market Snapshot: Megacap tech stocks out of control? Big Tech still has the power to extend the rally and weather an economic storm, analysts say.

Megacap technology stocks have dominated the U.S. stock market performance this year, powering the Nasdaq Composite to a new nine-month high this week as investors have loaded up on them in a “safe-haven play” on concerns over a potential recession, a federal debt-ceiling breach and more stress in regional banks.