The stock rose as much as 1.6% as of 9:45 a.m. in New York trading, reaching an intraday record of $126 per share and lifting its market value to just over $1 trillion, according to data compiled by Bloomberg. The Bentonville, Arkansas-based chain — a longtime favorite of bargain-hunting consumers — has flexed its massive scale and supplier network to keep prices low and grab market share across the income spectrum. While Walmart has maintained its appeal to households looking for value, its online offerings are drawing new, wealthier shoppers seeking convenience.