By Medha Singh and Shivani Kumaresan
Oct 13 (Reuters) – The Dow and the S&P 500 fell on Tuesday after a four-day winning streak as a pause in Johnson & Johnson’s COVID-19 trial triggered concerns about the timing of a vaccine, although a rally in technology shares supported the Nasdaq.
Johnson & Johnson JNJ.N shed 2% as it said it would take “a few days” to review its halted clinical trial following an unexplained illness in a study participant, possibly delaying results on one of the most closely watched efforts to contain the global pandemic.
The S&P healthcare index .SPXHC slipped from a record high hit in the prior session and weighed on broader markets as vaccines are seen critical to stopping the pandemic, which has driven the economy to its worst recession in decades.
Some of the worst-hit companies due to the pandemic – cruise line operators Carnival