Key Points:U.S. markets today await July payrolls data, with expectations for just 106K new jobs and 4.2% unemployment.Amazon sinks 6% after hours on weak income guidance, while Apple gains 2% on a strong earnings and revenue beat.Trump’s new 35% tariff on Canadian goods and 40% on transshipped items takes effect today, fueling trade tensions.Market OverviewU.S. equity futures are under pressure Friday as traders await the July employment report and digest mixed Big Tech earnings and new tariff