Strong start for stocks on Wall Street a day after sell-off

NEW YORK (AP) — Stocks are off to good start on Wall Street, a day after more steep drops in big technology companies pulled indexes sharply lower. Some of those tech giants were climbing early Wednesday, including Apple and Microsoft. The S&P 500 was up 1.3% and the tech-heavy Nasdaq reclaimed 1.7%, a day after shedding 4.1%. European markets rose, and crude oil prices were also higher. Slack Technologies slumped 16% after the fast-growing instant messaging service reported disappoint