US stocks fluctuated on Friday, hovering near record highs as signs of strength in the economy provided the buoyancy that Netflix's (NFLX) earnings report lacked. The S&P 500 and Nasdaq trimmed early gains after the University of Michigan consumer sentiment survey showed one-year inflation expectations plunging to 4.

From how Meta is placing a very big bet, to why Nvidia is heading back to China, we round up the week's big stories from the AI revolution.

A strong profit report from Taiwan Semiconductor Manufacturing Co. helped drive tech stocks, and its net income soared nearly 61% in the last quarter from a year earlier.