Tech giants led gains in stocks at the start of a week that will bring a raft of central-bank decisions from the US to England and Japan.

The megacap space outpaced the broader market on Monday. Alphabet Inc. jumped as Bloomberg News reported Apple Inc. is in talks to build Google’s Gemini artificial-intelligence engine into the iPhone. Just hours away from Nvidia Corp.’s AI conference — and chief Jensen Huang’s keynote — expectations are high for the chipmaker to deliver news that will sustain its blistering rally.

Investors may glean more on the Federal Reserve’s resolve to ease and how close Japan is to finally exiting negative interest rates as central banks set policy for almost half the global economy. The coming week features the world’s biggest agglomeration of decisions for 2024 to date, including judgments on the cost of borrowing for six of the 10 most-traded currencies.

“It’s a …