Market Wall Street opens higher after four session slide Updated : December 26, 2018 09:31 PM IST The technology sector, whose 9.2 percent slump in the past four sessions was the steepest among the 11 major S&P sectors, rose 1.15 percent. Retailers gained, with the S&P 500 retailers sub-index jumping 1.75 percent, after a Mastercard report showed US holiday sales were the strongest in six years. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.