Charles Schwab's Liz Ann Sonders says the "wattage turned up" on retailers and tariffs. She notes Thursday's Walmart's (WMT) earnings and Home Depot's (HD) report earlier in the week to explain the divergence on tariff impact and the added focus investors are placing on the industry. On A.I., Liz Ann adds that we're still early on in the tech's development. She says the focus will lean more into capex spending and how companies use A.I.