US and European stocks tumbled on Wednesday amid rising coronavirus cases in both regions, threatening economic recovery.
The US reported its third-biggest one-day jump in coronavirus cases, and more than 1,000 deaths, on Wednesday.
Adding to the worrying figures, a record number of states now have higher levels of patients hospitalised with coronavirus compared than four weeks ago.
A further 78,661 people tested positive, according to Covid Tracking Project data, up from 73,096 on Tuesday and compared with 60,712 on Wednesday last week.
That is the third-biggest one-day jump in cases since the start of the pandemic, ranking behind 83,057 last Friday and 82,925 the day after.
Nearly all states have experienced a rise in cases over recent weeks.
As of Wednesday, 49 states and the District of Columbia had a seven-day average higher than seven days ago, according to FT analysis of Covid Tracking Project data, a proportion previously seen in early April.
Illinois reported the biggest single-day jump in cases among states, with 6,110 new infections that marked its second-biggest daily load of the pandemic.
On Wednesday, 22 states had seven-day averages of cases that were at a record level, the highest proportion since mid-July, when Covid-19 was spreading quickly through sunbelt states.
Authorities attributed a further 1,025 deaths to coronavirus, up from 931 on Tuesday and compared with 1,024 last Wednesday.
On Wednesday, 47 states and the District of Columbia, had a higher level of hospitalisations than four weeks ago, the highest proportion of the pandemic, according to FT analysis of Covid Tracking Project data.
Texas reported its biggest one-day jump in deaths in a week on Wednesday, with hospitalisations climbing again and to their highest level in almost two and a half months.
The state's health department attributed a further 105 fatalities to coronavirus, up from 81 and compared with 114 on Wednesday last week.
A further 5,175 people tested positive over the past 24 hours, down from a two-month high on Tuesday of 7,055 and compared with 4,991 on Wednesday last week.
Illinois reported its second-biggest one-day jump in coronavirus infections on Wednesday.
California reported a daily rise in coronavirus cases and fatalities above recent averages on Wednesday.
Florida is closing in on the 800,000 confirmed-case mark after reporting more than 4,000 new cases on Wednesday.
New York became the fourth US state to confirm 500,000 infections, with a tick-up in cases over the past month helping accelerate its path toward the half-million threshold.
Oil prices came under pressure after reports showed US inventories last week grew by a greater level than expected, adding to fears over demand