U.S. stocks notched minor losses Friday as investors eased out of a market that's recently hit a slew of milestones. European stock markets ended the week higher Friday in a session that saw choppy trade following Spain’s decision to lift its deficit target, while major banks provided support after a broker upgrade. Asia stocks sank on Monday, with technology and resource firms losing ground, as investors monitored a meeting of Chinese leaders and as geopolitical tensions stoked caution across markets.