All shares on the big company index OMXS30 fell in Wednesday's trading. Worst was the workshop group ABB and lock giant Assa Abloy, whose shares lost 4.4 and 3.9 percent respectively. Index heavy clothing chain H&M's share fell 3.0 percent ahead of Thursday's interim report.

Academedia backs

Online broker Avanza followed down with competitors, dropping 6.4 percent since US broker Charles Schwab dropped the brokerage for US equities, options and ETFs (exchange-traded funds).

Academia's share declined 0.7 percent, despite the school group reporting that the number of children and pupils has increased by 3.4 percent compared to a year earlier during the first quarter of the broken financial year 2019/2020.

The United States is affecting

The market was troubled by unexpectedly weak economic signals from the US manufacturing industry and poor sales figures from the automotive industry, which pulled down Wall Street and leading Asian exchanges. On top of that came an unexpectedly weak monthly figure on Wednesday for the number of new jobs from the US private sector.

The London Stock Exchange's FTSE 100 index fell 3.2 percent since Prime Minister Boris Johnson's government presented a new Brexit plan. The Paris Stock Exchange's CAC 40 index fell 3.1 percent, while the DAX index on the Frankfurt Stock Exchange fell 2.8 percent.

Corrected: In an earlier version, there was an incorrect statement about how much the stock market fell on August 5.