Wall Street suffers worst day since 2022 as Tesla and Google earnings disappoint

Tech-focused Nasdaq retreats 3.6% and S&P 500 also down in wake of lacklustre results from big-tech companies

Wall Street suffered its worst day of trading in 19 months as disappointment around earnings from Tesla and Google challenged the recent big-tech rally.

The benchmark S&P 500 index dropped 2.3% as a sell-off triggered its biggest single-day fall since December 2022.