Tech stocks today: OpenAI reveals six more instances of 'concerning model behavior' - Yahoo Finance

Tech stocks rose slightly on Friday, as the Nasdaq (^IXIC) climbed roughly 1%.Apple's iPhone 18 Pro and 18 Pro Max go on sale today, the first iPhones released under CEO John Ternus. They're also Apple's first phones to come to market amid the ongoing global memory and storage shortage, which means they're $100 more expensive than last year's models.The AI safety debate continues to rage across Silicon Valley.