Stocks tumbled on Friday as consumer sentiment plunged near all-time lows and investors panicked over AI spending – hammering tech stocks in their worst week since April. The tech-heavy Nasdaq dropped 0.2% Friday, closing the week down 3% – its worst drop since the April launch of President Trump’s “Liberation Day” tariffs sparked a massive sell-off.   Concerns about the government shutdown – which entered its 38th day on Friday, setting a new record — sent monthly consumer sentiment to its