The leading stock exchanges fell after the opening, but fought their way back up during the day. The Dow Jones closed at plus 0.3 percent, the broad S&P 500 rose by 1.1 percent, and the Nasdaq composite index increased by 2.2 percent.
Several technology companies, listed on Nasdaq, had a sunny stock market day. The semiconductor company Nvidia rose by 8 percent. Industry colleagues AMD and Intel went in the same direction and increased by 4.9 and 3.6 percent, respectively.
Among today's losers were several American airlines. Southwest Airlines fell by 1.5 percent, while American Airlines landed at 1.9 percent.
During the day, it became clear that inflation in the US fell to 2.5 percent in August, which was in line with the average forecast according to Bloomberg's compilation.
The American presidential candidate Donald Trump's media company – Trump Media & Technology – had a tough day on Wednesday. The stock fell by 10.5 percent.
Trump met the Democratic candidate Kamala Harris in a debate during the night against Wednesday, Swedish time.